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EC2x Series&EG25-G Wi-Fi Application Note LTE Standard Module Series Version: 1.4 Date: 2023-06-26 Status: Released LTE Standard Module Series At Quectel, our aim is to provide timely and comprehensive services to our customers. If you require any assistance, please contact our headquarters: Quectel Wireless Solutions Co., Ltd. Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai 200233, China Tel: +86 21 5108 6236 Email: info@quectel.com Or our local offices. For more information, please visit: http://www.quectel.com/support/sales.htm. For technical support, or to report documentation errors, please visit: http://www.quectel.com/support/technical.htm. Or email us at: support@quectel.com. Legal Notices We offer information as a service to you. The provided information is based on your requirements and we make every effort to ensure its quality. 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EC2x_Series&EG25-G_Wi-Fi_Application_Note 1 / 44 LTE Standard Module Series Trademarks Except as otherwise set forth herein, nothing in this document shall be construed as conferring any rights to use any trademark, trade name or name, abbreviation, or counterfeit product thereof owned by Quectel or any third party in advertising, publicity, or other aspects. Third-Party Rights This document may refer to hardware, software and/or documentation owned by one or more third parties ('third-party materials'). Use of such third-party materials shall be governed by all restrictions and obligations applicable thereto. 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Quectel, strictly abiding by the relevant laws and regulations, shall retain, use, disclose or otherwise process relevant data for the purpose of performing the service only or as permitted by applicable laws. Before data interaction with third parties, please be informed of their privacy and data security policy. Disclaimer a) We acknowledge no liability for any injury or damage arising from the reliance upon the information. b) We shall bear no liability resulting from any inaccuracies or omissions, or from the use of the information contained herein. c) While we have made every effort to ensure that the functions and features under development are free from errors, it is possible that they could contain errors, inaccuracies, and omissions. Unless otherwise provided by valid agreement, we make no warranties of any kind, either implied or express, and exclude all liability for any loss or damage suffered in connection with the use of features and functions under development, to the maximum extent permitted by law, regardless of whether such loss or damage may have been foreseeable. d) We are not responsible for the accessibility, safety, accuracy, availability, legality, or completeness of information, advertising, commercial offers, products, services, and materials on third-party websites and third-party resources. Copyright © Quectel Wireless Solutions Co., Ltd. 2023. All rights reserved. EC2x_Series&EG25-G_Wi-Fi_Application_Note 2 / 44 LTE Standard Module Series About the Document Revision History Version Date 1.0 2017-12-20 1.1 2020-02-26 1.2 2022-03-02 1.3 2023-03-02 1.4 2023-06-26 Author Duke XIN/ Adolph WANG Mike ZHOU/ Paddy LI Victor YAN Gavin LU/ Mount ZHONG Harry GONG Description Initial 1. Added AT+QWIFICFG related commands (Chapter 2.10). 2. Added Wi-Fi related URC of AT+QWIFICFG related commands (Chapter 3.2 and 3.3). 3. Added examples for AT+QWIFICFG related commands (Chapter 4). 1. Added FC21 Wi-Fi module for 4G + Wi-Fi one-stop solution. 2. Added matters requiring attention (Chapter 1.4). 1. Added the response: If the length of SSID is more than 32 bytes, and then return ERROR (Chapter 2.3.1.2). 2. Updated the value range of in the following 3 commands: ⚫ AT+QWIFICFG='channel' (Chapter 2.3.1.5). ⚫ AT+QWIFICFG='stastatus' (Chapter 2.3.1.14). ⚫ AT+QWMOCH (Chapter 2.3.7). 3. Changed the default value of in AT+QWIFICFG='macacl' (Chapter 2.3.1.9). 4. Added AT+QWIFICFG='speedlimit'(Chapter 2.3.1.15). 5. Added AT+QWIFICFG='datarate' (Chapter 2.3.1.16). 6. Added AT+QWIFICFG='traffictransf' (Chapter 2.3.1.17). 7. Added AT+QWIFICON (Chapter 2.3.11). Added AT+QCFG='sdio_clk' (Chapter 2.3.12). EC2x_Series&EG25-G_Wi-Fi_Application_Note 3 / 44 LTE Standard Module Series Contents About the Document .................................................................................................................................. 3 Contents ...................................................................................................................................................... 4 Table Index.................................................................................................................................................. 6 Figure Index ................................................................................................................................................ 7 1 4G + Wi-Fi Solution ............................................................................................................................. 8 1.1. Introduction ................................................................................................................................ 8 1.2. Features of FC20 Series/FC21 .................................................................................................. 9 1.3. Wi-Fi Solution Architecture....................................................................................................... 10 1.4. Matters Requiring Attention...................................................................................................... 10 2 Description of Wi-Fi AT Commands ............................................................................................... 11 2.1. AT Command Introduction ........................................................................................................11 2.1.1. Definitions.......................................................................................................................11 2.1.2. AT Command Syntax .....................................................................................................11 2.2. Declaration of AT Command Examples ................................................................................... 12 2.3. AT Command Details ............................................................................................................... 12 2.3.1. AT+QWIFICFG Extended Configuration Settings ...................................................... 12 2.3.1.1. AT+QWIFICFG='workmode' Set Work Mode................................................. 13 2.3.1.2. AT+QWIFICFG='ssid' Set SSID ..................................................................... 14 2.3.1.3. AT+QWIFICFG='ssidhide' Enable/Disable Hiding of AP SSID ...................... 15 2.3.1.4. AT+QWIFICFG='maxsta' Set Maximum Number of Stations Allowed ........... 15 2.3.1.5. AT+QWIFICFG='channel' Set Channel.......................................................... 16 2.3.1.6. AT+QWIFICFG='mode' Set Frequency Mode................................................ 17 2.3.1.7. AT+QWIFICFG='bandwidth' Set Bandwidth .................................................. 18 2.3.1.8. AT+QWIFICFG='auth' Set Authentication Type, Encryption Mode and Password............................................................................................................ 19 2.3.1.9. AT+QWIFICFG='macacl' Set MAC Address Filter List .................................. 20 2.3.1.10. AT+QWIFICFG='cc' Set Country Code .......................................................... 21 2.3.1.11. AT+QWIFICFG='stainfo' Get Station Information........................................... 22 2.3.1.12. AT+QWIFICFG='scan' Scan Wi-Fi Hotspot Information ................................ 23 2.3.1.13. AT+QWIFICFG='scanresult' Get Wi-Fi Scanning Hotspot Information Result24 2.3.1.14. AT+QWIFICFG='stastatus' Get Connection Information of STA Mode.......... 24 2.3.1.15. AT+QWIFICFG='speedlimit' Control Wi-Fi Downlink Speed.......................... 25 2.3.1.16. AT+QWIFICFG='datarate' Check Wi-Fi Data Rate ........................................ 26 2.3.1.17. AT+QWIFICFG='traffictransf' Check Wi-Fi Traffic.......................................... 26 2.3.2. AT+QWIFI Enable/Disable Wi-Fi Function................................................................. 27 2.3.3. AT+QWSSIDHEX Set SSID Encoding ....................................................................... 28 2.3.4. AT+QWSSID Set SSID............................................................................................... 29 2.3.5. AT+QWBCAST Enable/Disable Broadcast ................................................................ 30 2.3.6. AT+QWAUTH Set Network Authentication Type, Encryption Mode and Password .. 31 2.3.7. AT+QWMOCH Set Frequency Mode and Channel of 802.11 Network ..................... 32 EC2x_Series&EG25-G_Wi-Fi_Application_Note 4 / 44 LTE Standard Module Series 2.3.8. 2.3.9. 2.3.10. 2.3.11. 2.3.12. AT+QWISO Enable/Disable Isolation Among Clients Connected to AP .................... 34 AT+QWCLICNT Query Number of Wi-Fi Clients ....................................................... 35 AT+QWRSTD Restore Default Settings..................................................................... 35 AT+QWIFICON Check Whether a TE device accesses the Internet in Wi-Fi AP mode ............................................................................................................................ 36 AT+ QCFG='sdio_clk' Set WLAN SDIO Clock .......................................................... 37 3 Description of URCs ......................................................................................................................... 38 3.1. +QWIFIND URC of Client Connection Status ....................................................................... 38 3.2. +QWIFICFG='stastatus' URC of STA Connection Status .................................................... 39 3.3. +QWIFCFG='scandone' URC of Finishing STA Scanning................................................... 39 4 Examples ........................................................................................................................................... 40 4.1. Single AP Mode........................................................................................................................ 40 4.2. Single STA Mode...................................................................................................................... 40 4.3. AP0 + AP1 Mode...................................................................................................................... 41 4.4. AP + STA Mode........................................................................................................................ 41 4.5. Scan Hotspots Nearby ............................................................................................................. 41 5 Appendix References ....................................................................................................................... 43 EC2x_Series&EG25-G_Wi-Fi_Application_Note 5 / 44 LTE Standard Module Series Table Index Table 1: Applicable Modules......................................................................................................................... 8 Table 2: Types of AT Commands ...............................................................................................................11 Table 3: Related Documents ...................................................................................................................... 43 Table 4: Terms and Abbreviations .............................................................................................................. 43 EC2x_Series&EG25-G_Wi-Fi_Application_Note 6 / 44 LTE Standard Module Series Figure Index Figure 1: Software Workflow of 4G + Wi-Fi One-stop Solution ................................................................... 9 Figure 2: Wi-Fi Solution Architecture ......................................................................................................... 10 EC2x_Series&EG25-G_Wi-Fi_Application_Note 7 / 44 LTE Standard Module Series 1 4G + Wi-Fi Solution 1.1. Introduction The rapid development of LTE and IoT accelerates the integration of 4G and Wi-Fi technology. Accordingly, many customer companies turn to converting the operator’s 4G signals to Wi-Fi signals so that smartphone, tablet, and laptop users can enjoy free Wi-Fi access to share local resources and communicate with several terminals over a high-speed network. Therefore, Quectel provides a 4G + Wi-Fi one-stop solution based on its cellular modules and FC20 series/FC21 Wi-Fi modules, which is realized by converting 4G signals into Wi-Fi signals to create Wi-Fi hotspots. This document applies to the following Quectel LTE Standard modules. Table 1: Applicable Modules Module Family EC2x - Module EC25 Series EC21 Series EC20-CE EG25-G NOTE Currently, the 4G + Wi-Fi one-stop solution is not supported by variants of the above modules with 128 MB RAM + 128 MB ROM. EC2x_Series&EG25-G_Wi-Fi_Application_Note 8 / 44 LTE Standard Module Series Figure 1: Software Workflow of 4G + Wi-Fi One-stop Solution ⚫ Client and MCU can access the 4G network through EC2x family and EG25-G modules simultaneously. ⚫ MCU can control Wi-Fi connection by AT commands. ⚫ FC20 series and FC21 Wi-Fi modules support AP and STA modes. In AP mode, the client (e.g., a mobile phone, a computer) connected to the AP hotspot can access the Internet through the cellular network of EC2x family and EG25-G modules. In STA mode, the physical interfaces (ECM, RNDIS, or SGMII interface) of EC2x family and EG25-G modules can access the Internet. ⚫ EC2x family and EG25-G modules support various connections, such as through USB and UART, between the module and MCU. ⚫ The maximum access point is 16. ⚫ STA mode of Wi-Fi only supports hotspot connection and scanning. 1.2. Features of FC20 Series/FC21 For detailed features of FC20 series and FC21 modules, please refer to documents [1] and [2]. EC2x_Series&EG25-G_Wi-Fi_Application_Note 9 / 44 LTE Standard Module Series 1.3. Wi-Fi Solution Architecture WLAN&BT_ANT FC20 Series/ FC21 Coexistence control SDIO 3.0 UART Power for VIO Typ. 3.3 V (U)SIM Card MAIN_ANT GNSS_ANT DIV_ANT EC2x Family & EG25-G USB UART MCU (1.8 V) SD Card (Optional) VBAT Typ. 3.8 V VCC_MCU Power Supply Figure 2: Wi-Fi Solution Architecture ⚫ EC2x family and EG25-G modules communicate with FC20 series/FC21 through SDIO 3.0 interface with a maximum data rate of up to 200 Mbps. ⚫ The communication between MCU and EC2x family and EG25-G modules can be realized through USB or UART. ⚫ If the MCU voltage level is not 1.8 V, a voltage level translation circuit should be added between the module and the MCU. 1.4. Matters Requiring Attention ⚫ Use AT+QLWWANCID to set the default PDP context for dialing. ⚫ An IP filter list is on the modem side. After Wi-Fi is activated, UDP data packets will no longer be transferred to the modem until the IP address is added to the IP filter list. Alternatively, set different PDP contexts for UDP and Wi-Fi. EC2x_Series&EG25-G_Wi-Fi_Application_Note 10 / 44 LTE Standard Module Series 2 Description of Wi-Fi AT Commands 2.1. AT Command Introduction 2.1.1. Definitions ⚫ Carriage return character. ⚫ Line feed character. ⚫ Parameter name. Angle brackets do not appear on the command line. ⚫ [...] Optional parameter of a command or an optional part of TA information response. Square brackets do not appear on the command line. When an optional parameter is not given in a command, the new value equals its previous value or the default settings, unless otherwise specified. ⚫ Underline Default setting of a parameter. 2.1.2. AT Command Syntax All command lines must start with AT or at and end with . Information responses and result codes always start and end with a carriage return character and a line feed character: . In tables presenting commands and responses throughout this document, only the commands and responses are presented, and and are deliberately omitted. Table 2: Types of AT Commands Command Type Syntax Description Test Command AT+=? Read Command AT+? Test the existence of the corresponding command and return information about the type, value, or range of its parameter. Check the current parameter value of the corresponding command. Write Command AT+=[,[,[...]]] Set user-definable parameter value. Execution Command AT+ Return a specific information parameter or perform a specific action. EC2x_Series&EG25-G_Wi-Fi_Application_Note 11 / 44 LTE Standard Module Series 2.2. Declaration of AT Command Examples The AT command examples in this document are provided to help you learn about the use of the AT commands introduced herein. The examples, however, should not be taken as Quectel’s recommendations or suggestions about how to design a program flow or what status to set the module into. Sometimes multiple examples may be provided for one AT command. However, this does not mean that there is a correlation among these examples, or that they should be executed in a given sequence. 2.3. AT Command Details 2.3.1. AT+QWIFICFG Extended Configuration Settings The command queries and configures various settings of Wi-Fi. AT+QWIFICFG Extended Configuration Settings Test Command AT+QWIFICFG=? Response … +QWIFICFG: 'workmode',(range of supported s) +QWIFICFG: 'ssid',(range of supported s), +QWIFICFG: 'ssidhide',(list of supported s),(list of supported s) +QWIFICFG: 'maxsta',(list of supported s),(range of supported s) +QWIFICFG: 'channel',(list of supported s),(list of supported s) +QWIFICFG: 'mode',(list of supported s),(range of supported s) +QWIFICFG: 'bandwidth',(list of supported s),(range of supported s) +QWIFICFG: 'auth',(list of supported s),(list of supported s)[,(list of supported s),] +QWIFICFG: 'macacl',(list of supported s),(range of supported s,(range of supported s)[,] +QWIFICFG: 'cc', +QWIFICFG: 'stainfo' +QWIFICFG: 'scan'[,(list of supported s)] +QWIFICFG: 'scanresult' +QWIFICFG: 'stastatus' EC2x_Series&EG25-G_Wi-Fi_Application_Note 12 / 44 Maximum Response Time Characteristics LTE Standard Module Series +QWIFICFG: 'speedlimit',(range of supported s) +QWIFICFG: 'datarate',(list of supported s),(list of supported s) +QWIFICFG: 'traffictransf',(list of supported s),(list of supported s) … OK 30 s / 2.3.1.1. AT+QWIFICFG='workmode' Set Work Mode This command sets Wi-Fi work mode. This command should be executed before you enabling Wi-Fi function. AT+QWIFICFG='workmode' Set Work Mode Write Command AT+QWIFICFG='workmode'[,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'workmode', OK If the optional parameter is specified, configure the Wi-Fi work mode: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 13 / 44 Parameter Integer type. Work mode of Wi-Fi. 0 AP0 mode 1 STA mode 2 AP0 and STA concurrency mode 3 AP0 and AP1 concurrency mode LTE Standard Module Series 2.3.1.2. AT+QWIFICFG='ssid' Set SSID This command sets Wi-Fi SSID. AT+QWIFICFG='ssid' Set SSID Write Command AT+QWIFICFG='ssid',[,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'ssid',, OK If the optional parameter is specified, configure the Wi-Fi SSID: OK If there is any error: ERROR Maximum Response Time Characteristics If the length of SSID is more than 32 bytes: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Index of Wi-Fi in different work modes. 0 AP0 1 AP1 2 STA String type. Wi-Fi SSID. ASCII string with length not greater than 32 bytes. Default value: QSoftAP. EC2x_Series&EG25-G_Wi-Fi_Application_Note 14 / 44 LTE Standard Module Series 2.3.1.3. AT+QWIFICFG='ssidhide' Enable/Disable Hiding of AP SSID This command enables or disables hiding AP SSID. AT+QWIFICFG='ssidhide' Enable/Disable Hiding of AP SSID Write Command AT+QWIFICFG='ssidhide',[,< SSID_hide>] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'ssidhide',, OK If the optional parameter is specified, enable or disable the hiding of AP SSID: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. Enable or disable the hiding of AP SSID. 0 Disable 1 Enable 2.3.1.4. AT+QWIFICFG='maxsta' Set Maximum Number of Stations Allowed This command sets maximum number of stations allowed in AP mode. AT+QWIFICFG='maxsta' Set Maximum Number of Stations Allowed Write Command AT+QWIFICFG='maxsta',[,< maxsta>] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'maxsta',, OK EC2x_Series&EG25-G_Wi-Fi_Application_Note 15 / 44 LTE Standard Module Series Maximum Response Time Characteristics If the optional parameter is specified, configure maximum number of stations allowed in AP mode: OK If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. Maximum number of stations allowed in AP mode. Default value: 16. Range: 1–16. Example AT+QWIFICFG='maxsta',0 +QWIFICFG: 'maxsta',0,16 OK AT+QWIFICFG='maxsta',0,10 OK //The current maximum number of stations is 16. //Set Primary AP’s maximum number of stations to 10. 2.3.1.5. AT+QWIFICFG='channel' Set Channel This command sets channel of AP mode. AT+QWIFICFG='channel' Set Channel Write Command AT+QWIFICFG='channel',[,< channel>] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'channel',, OK If the optional parameter is specified, configure the AP mode channel: EC2x_Series&EG25-G_Wi-Fi_Application_Note 16 / 44 LTE Standard Module Series Maximum Response Time Characteristics OK If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. 802.11 network channel. 0 Automatic selection 1–13 2.4 GHz channel 36/40/44/48/52/56/60/64/100/104/108/112/116/120/124/128/132/136/140/144/149/153/157 /161/165/170/171/172/173/174/175/176/177/178/179/180/181/182/183/184 5 GHz channel 2.3.1.6. AT+QWIFICFG='mode' Set Frequency Mode This command sets frequency mode of AP mode. AT+QWIFICFG='mode' Set Frequency Mode Write Command AT+QWIFICFG='mode',[,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'mode',, OK If the optional parameter is specified, configure the AP frequency mode: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 17 / 44 LTE Standard Module Series Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. Frequency mode of AP mode. 0 802.11a 1 802.11a/n 2 802.11b 3 802.11b/g 4 802.11b/g/n 5 802.11ac 2.3.1.7. AT+QWIFICFG='bandwidth' Set Bandwidth This command sets bandwidth of AP mode. AT+QWIFICFG='bandwidth' Set Bandwidth Write Command AT+QWIFICFG='bandwidth', [,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'bandwidth',, OK If the optional parameter is specified, configure the bandwidth of the AP mode: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 18 / 44 LTE Standard Module Series Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. Bandwidth of AP mode. 0 20 MHz 1 40 MHz 2 80 MHz. Only supported by 802.11ac frequency mode. 2.3.1.8. AT+QWIFICFG='auth' Set Authentication Type, Encryption Mode and Password This command sets authentication type, encryption mode, and password. AT+QWIFICFG='auth' Set Authentication Type, Encryption Mode and Password Write Command AT+QWIFICFG='auth',[,[,,]] Response If the optional parameters are omitted, query the current configuration: +QWIFICFG: 'auth',,[,,] OK If is specified, When is 0, and should be omitted, then configure the authorization type: OK When is not 0, and should be specified, then configure authorization type, encryption mode, and password: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 19 / 44 LTE Standard Module Series Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) 2 STA Integer type. Authentication type. 0 Open system authentication 2 WPA 3 WPA2 4 WPA/WPA2 Integer type. Encryption mode. This parameter is only available when is not 0. 0 TKIP 1 AES 2 TKIP-AES String type. Password of WPA and WPA2 personal authentication. This parameter is only available when is not 0. 2.3.1.9. AT+QWIFICFG='macacl' Set MAC Address Filter List This command sets MAC address filter list of AP mode. AT+QWIFICFG='macacl' Set MAC Address Filter List Write Command AT+QWIFICFG='macacl',, [,[,]] Response If the optional parameters are omitted, query the current configuration: +QWIFICFG: 'macacl',,,, OK If is specified, when rule is 0, is omitted; or when rule is not 0, set MAC address filter list: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 20 / 44 LTE Standard Module Series Parameter Integer type. Index of Wi-Fi in different work modes. 0 Primary AP (AP0) 1 Guest AP (AP1) Integer type. Operation of the command. 0 Set and get type of MAC address filter list 1 Add station MAC address 2 Delete station MAC address 3 Get station MAC address Integer type. Types of MAC address filter list. 0 MAC address filter list disabled 1 Blacklist 2 Whitelist String type. Station MAC address. NOTE 1. MAC address filter will be disabled when is 0, in which case should be omitted. 2. Please first execute AT+QWIFICFG='macacl',,, to set the type of MAC address filter list to blacklist or whitelist, and then execute AT+QWIFICFG='macacl',,,, to add or delete the MAC address. 3. You can implement either a blacklist or whitelist; both listing techniques cannot be implemented simultaneously. 2.3.1.10. AT+QWIFICFG='cc' Set Country Code This command sets Wi-Fi country code. The country code is compliant with ISO 3166 alpha-2. AT+QWIFICFG='cc' Set Country Code Write Command AT+QWIFICFG='cc'[,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'cc', OK If the optional parameter is specified, configure the Wi-Fi country code: OK If there is any error: EC2x_Series&EG25-G_Wi-Fi_Application_Note 21 / 44 LTE Standard Module Series Maximum Response Time Characteristics ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter String type. Country code of Wi-Fi. Default value: CN. Example AT+QWIFICFG='cc' +QWIFICFG: 'cc','CN' OK AT+QWIFICFG='cc','JP' OK //The current country code is CN. //Set country code to JP. 2.3.1.11. AT+QWIFICFG='stainfo' Get Station Information This command gets station information of AP mode. AT+QWIFICFG='stainfo' Get Station Information Write Command AT+QWIFICFG='stainfo' Response … +QWIFICFG: 'stainfo',,,,, … OK Characteristics If there is any error: ERROR / Parameter Integer type. Station serial number. String type. Station mac address. String type. Station IPv4 address. String type. Station IPv6 address. String type. Station host name. EC2x_Series&EG25-G_Wi-Fi_Application_Note 22 / 44 LTE Standard Module Series 2.3.1.12. AT+QWIFICFG='scan' Scan Wi-Fi Hotspot Information This command scans Wi-Fi hotspot information for working in STA mode. AT+QWIFICFG='scan' Scan Wi-Fi Hotspot Information Write Command AT+QWIFICFG='scan'[,] Response If the optional parameter is omitted or set to 0, current information is returned: … +QWIFICFG: 'scan',,,, … OK If is set to 1: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s / Parameter Integer type. Way of returning hotspot information. 0 Return hotspot information synchronously. 1 Return hotspot information asynchronously. Hotspot information will be returned via a URC after executing AT+QWIFICFG='scanresult'. String type. Hotspot MAC address. String type. Hotspot SSID. Integer type. Hotspot signal quality. Range: -95 to -1. The smaller the value, the poorer the signal quality. Integer type. Authentication type. 0 Open system authentication 2 WPA 3 WPA2 4 WPA/WPA2 EC2x_Series&EG25-G_Wi-Fi_Application_Note 23 / 44 LTE Standard Module Series 2.3.1.13. AT+QWIFICFG='scanresult' Get Wi-Fi Scanning Hotspot Information Result This command gets Wi-Fi scanning hotspot information result. AT+QWIFICFG='scanresult' Get Wi-Fi Scanning Hotspot Information Result Write Command AT+QWIFICFG='scanresult' Response … +QWIFICFG: 'scan',,,, … OK Maximum Response Time 30 s Characteristics / Parameter String type. Hotspot MAC address. String type. Hotspot SSID. Integer type. Hotspot signal quality. Range: -95 to -1. The smaller the value, the poorer the signal quality. Integer type. Authentication type. 0 Open system authentication 2 WPA 3 WPA2 4 WPA/WPA2 2.3.1.14. AT+QWIFICFG='stastatus' Get Connection Information of STA Mode This command gets connection information of STA mode. AT+QWIFICFG='stastatus' Get Connection Information of STA Mode Write Command AT+QWIFICFG='stastatus' Response +QWIFICFG: 'stastatus',,,,, OK Characteristics If there is any error: ERROR / EC2x_Series&EG25-G_Wi-Fi_Application_Note 24 / 44 LTE Standard Module Series Parameter Integer type. STA mode connection status. Range: 0–1. When it is 0, , , and should be omitted. 0 Disconnected 1 Connected String type. Access hotspot SSID. String type. Access hotspot MAC address. Integer type. Access hotspot channel. 0 Automatic selection 1–13 2.4 GHz channel 36/40/44/48/52/56/60/64/100/104/108/112/116/120/124/128/132/136/140/144/149/ 153/157/161/165/170/171/172/173/174/175/176/177/178/179/180/181/1 82/183/184 5 GHz channel Integer type. Access hotspot signal quality. Range: -95 to -1. The smaller the value, the poorer the signal quality. 2.3.1.15. AT+QWIFICFG='speedlimit' Control Wi-Fi Downlink Speed AT+QWIFICFG='speedlimit' Control Wi-Fi Downlink Speed Write Command AT+QWIFICFG='speedlimit'[,] Response If the optional parameter is omitted, query the current configuration: +QWIFICFG: 'speedlimit', OK If the optional parameter is specified, configure Wi-Fi downlink speed: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configurations are not saved. Parameter Integer type. Wi-Fi downlink speed. Range: 0–100. Unit: Mbps. EC2x_Series&EG25-G_Wi-Fi_Application_Note 25 / 44 LTE Standard Module Series 2.3.1.16. AT+QWIFICFG='datarate' Check Wi-Fi Data Rate AT+QWIFICFG='datarate' Check Wi-Fi Data Rate Write Command AT+QWIFICFG='datarate',[ ,] Response +QWIFICFG:'datarate',RxRate ,TxRate OK Maximum Response Time Characteristics If there is any error: ERROR 30S / Parameter String type. Work mode of Wi-Fi. 'AP' 'STA' Integer type. Index of Wi-Fi in different work modes. This parameter must be specified if =3 in AT+QWIFICFG='workmode' and =AP. 0 AP0 1 AP1 String type. Wi-Fi data rate. 2.3.1.17. AT+QWIFICFG='traffictransf' Check Wi-Fi Traffic This command checks the received and transmitted traffic of Wi-Fi. AT+QWIFICFG='traffictransf' Check Wi-Fi Traffic Write Command AT+QWIFICFG='traffictransf',[,] Response +QWIFICFG:'traffictransf',Rx:,Tx: OK Maximum Response Time Characteristics If there is any error: ERROR 30 s / EC2x_Series&EG25-G_Wi-Fi_Application_Note 26 / 44 LTE Standard Module Series Parameter String type. Work mode. 'AP' 'STA' Integer type. Index of Wi-Fi in different work modes. This parameter must be specified if =3 in AT+QWIFICFG='workmode' and =AP. 0 AP0 1 AP1 Integer type. Received traffic. Unit: byte. Integer type. Transmitted traffic. Unit: byte. 2.3.2. AT+QWIFI Enable/Disable Wi-Fi Function This command enables or disables Wi-Fi function. AT+QWIFI Enable/Disable Wi-Fi Function Test Command AT+QWIFI=? Response +QWIFI: (list of supported s) Read Command AT+QWIFI? OK Response +QWIFI: Write Command AT+QWIFI= OK Response OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Enable or disable Wi-Fi function. 0 Disable Wi-Fi function 1 Enable Wi-Fi function EC2x_Series&EG25-G_Wi-Fi_Application_Note 27 / 44 Example AT+QWIFI? +QWIFI: 0 OK AT+QWIFI=1 OK LTE Standard Module Series //Wi-Fi function is currently disabled. //Enable Wi-Fi function. 2.3.3. AT+QWSSIDHEX Set SSID Encoding This command sets the SSID encoding. AT+QWSSIDHEX Set SSID Encoding Test Command AT+QWSSIDHEX=? Response +QWSSIDHEX: (list of supported s) Read Command AT+QWSSIDHEX? OK Response +QWSSIDHEX: Write Command AT+QWSSIDHEX= OK Response OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Set the of AT+QWSSID to be in HEX format or string format. is saved separately. See AT+QWSSID in Chapter 2.3.4. 0 of AT+QWSSID is a string 1 of AT+QWSSID is a HEX number Example AT+QWSSIDHEX? +QWSSIDHEX: 0 //The SSID is in string format. EC2x_Series&EG25-G_Wi-Fi_Application_Note 28 / 44 LTE Standard Module Series OK AT+QWSSID? +QWSSID: QSoftAP //The SSID is QSoftAP. OK AT+QWSSIDHEX=1 OK AT+QWSSID? +QWSSID: 5175656374656c2d57494649 //Set SSID to be in HEX format. //The SSID is Quectel-WIFI in ASCII encoding. OK 2.3.4. AT+QWSSID Set SSID This command sets Wi-Fi SSID. AT+QWSSID Set SSID Test Command AT+QWSSID=? Read Command AT+QWSSID? Write Command AT+QWSSID= Maximum Response Time Characteristics Response +QWSSID: OK Response +QWSSID: OK Response OK If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter When AT+QWSSIDHEX=0: String type. A series of ASCII characters not larger than 32 bytes. Default value: QSoftAP. When AT+QWSSIDHEX=1: String type. HEX digits. The length of raw data is no more than 32 bytes after coding (in GBK, UTF-8, etc.). It is mainly used to set SSID in Chinese. EC2x_Series&EG25-G_Wi-Fi_Application_Note 29 / 44 Example AT+QWSSIDHEX? +QWSSIDHEX: 0 OK AT+QWSSID? +QWSSID: QSoftAP OK AT+QWSSID=EC25_WIFI OK LTE Standard Module Series //The SSID is QSoftAP. //Set new SSID to EC25_WIFI. 2.3.5. AT+QWBCAST Enable/Disable Broadcast This command enables or disables the broadcast. AT+QWBCAST Enable/Disable Broadcast Test Command AT+QWBCAST=? Response +QWBCAST: (list of supported s) Read Command AT+QWBCAST? OK Response +QWBCAST: Write Command AT+QWBCAST= OK Response OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Enable or disable broadcast. 0 Disable broadcast 1 Enable broadcast EC2x_Series&EG25-G_Wi-Fi_Application_Note 30 / 44 Example AT+QWBCAST? +QWBCAST: 1 OK AT+QWBCAST=0 OK LTE Standard Module Series //The broadcast is enabled. //The broadcast is disabled. 2.3.6. AT+QWAUTH Set Network Authentication Type, Encryption Mode and Password This command sets network authentication type, encryption mode, and password. AT+QWAUTH Set Network Authentication Type, Encryption Mode and Password Test Command AT+QWAUTH=? Response +QWAUTH: (list of supported s) Read Command AT+QWAUTH? OK Response +QWAUTH: [,,] Write Command AT+QWAUTH=,[,] OK Response OK If there is any error: ERROR Maximum Response Time 30 s Characteristics The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Authentication type. 1 Open 3 WPA 4 WPA2 5 WPA/WPA2 Integer type. Encryption mode. 0 No encryption 2 TKIP EC2x_Series&EG25-G_Wi-Fi_Application_Note 31 / 44 3 AES 4 TKIP-AES String type. Password string. LTE Standard Module Series NOTE The default network authorization mode is WPA2, encryption mode is AES, and password is 1234567890. The setting of these parameters should comply with the following criteria: 1. If is 1, must be 0. 2. If ≥ 3, must ≥ 2. 3. If = 0, is null. 4. If ≥ 2, needs 8–63 ASCII characters or 8 to 64-byte HEX number, and '' needs to be added to ASCII characters. Example AT+QWAUTH? +QWAUTH: 4,3,'1234567890' OK AT+QWAUTH=1,0 OK AT+QWAUTH=5,4,'12345678' OK //Set authorization type as open and encryption mode as null. //Set authorization type to WPA/WPA2 and encryption, mode to TIKP-AES, and password to 12345678. 2.3.7. AT+QWMOCH Set Frequency Mode and Channel of 802.11 Network This command sets the frequency mode and channel of 802.11 network. AT+QWMOCH Set Frequency Mode and Channel of 802.11 Network Test Command AT+QWMOCH=? Response +QWMOCH: (range of supported s),(list of supported s) Read Command AT+QWMOCH? OK Response +QWMOCH: , Write Command AT+QWMOCH=, OK Response OK EC2x_Series&EG25-G_Wi-Fi_Application_Note 32 / 44 LTE Standard Module Series Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. 802.11 network frequency mode. 1 a/n 5 GHz HT20 mode 2 b 2.4 GHz mode 3 b/g 2.4 GHz mode 4 b/g/n 2.4 GHz mode 5 b/g/n 5 GHz HT40 mode 6 a/n 5 GHz HT40 mode 7 a 5 GHz mode 8 g 2.4 GHz mode 9 a/n 5 GHz HT20 mode 10 ac 5 GHz VHT40 mode 11 ac 5 GHz VHT80 mode 12 n 2.4 GHz HT20 mode 13 n 2.4 GHz HT40 mode 14 n 5 GHz HT20 mode 15 n 5 GHz HT40 mode Integer type. 802.11 network channel. 0 Automatic selection 1–13 2.4 GHz channel 36/40/44/48/52/56/60/64/100/104/108/112/116/120/124/128/132/136/140/144/149/153/157 /161/165/170/171/172/173/174/175/176/177/178/179/180/181/182/183/184 5 GHz channel NOTE and should meet the following requirements: 1. If is 1/6/7/9/10/11/14/15, must be set to 0 or 36/40/44/48/52/56/60/64/ 100/104/108/112/116/120/124/128/132/136/140/144/149/153/157/161/165/170/171/172/173/174/ 175/176/177/178/179/180/181/182/183/184, and the client device must support 5 GHz mode. 2. If is 2/3/4/5/8/12/13, must be set to 0–13. EC2x_Series&EG25-G_Wi-Fi_Application_Note 33 / 44 Example AT+QWMOCH? +QWMOCH: 4,0 OK AT+QWMOCH=3,1 OK LTE Standard Module Series //Current frequency mode is 2.4 GHz 802.11b/g/n, and the channel is automatically selected. //Set frequency mode as 2.4 GHz 802.11b/g and network channel to channel 1. 2.3.8. AT+QWISO Enable/Disable Isolation Among Clients Connected to AP This command enables or disables isolation among clients connected to AP. AT+QWISO Enable/Disable Isolation Among Clients Connected to AP Test Command AT+QWISO=? Response +QWISO: (list of supported s) Read Command AT+QWISO? OK Response +QWISO: Write Command AT+QWISO= OK Response OK Maximum Response Time Characteristics If there is any error: ERROR 30 s The command takes effect immediately. The configuration is saved automatically. Parameter Integer type. Enable or disable isolation among clients connected to AP. 0 Disable isolation 1 Enable isolation EC2x_Series&EG25-G_Wi-Fi_Application_Note 34 / 44 Example AT+QWISO? +QWISO: 1 OK AT+QWISO=0 OK LTE Standard Module Series //Currently isolation is enabled. //Disable isolation. 2.3.9. AT+QWCLICNT Query Number of Wi-Fi Clients This command queries the number of Wi-Fi clients connected to AP. AT+QWCLICNT Query Number of Wi-Fi Clients Read Command AT+QWCLICNT? Response +QWCLICNT: OK Characteristics / Parameter Integer type. Number of clients connected to AP. Default value: 16. Range: 1–16. Example AT+QWCLICNT? +QWCLICNT: 16 OK //Currently, 16 clients are connected to AP. 2.3.10. AT+QWRSTD Restore Default Settings This command restores Wi-Fi to default settings. AT+QWRSTD Restore Default Settings Execution Command AT+QWRSTD Response OK Maximum Response Time 30 s Characteristics The command takes effect immediately. The configuration is saved automatically. EC2x_Series&EG25-G_Wi-Fi_Application_Note 35 / 44 Example AT+QWRSTD OK //Restore Wi-Fi to default settings. LTE Standard Module Series 2.3.11. AT+QWIFICON Check Whether a TE device accesses the Internet in Wi-Fi AP mode This command checks whether a TE device accesses the Internet in Wi-Fi AP mode. AT+QWIFICON Check Whether a TE device accesses the Internet in Wi-Fi AP mode Execution Command AT+QWIFICON Response +QWIFICON: 'status', Maximum Response Time Characteristics OK 3 s The command takes effect immediately. Parameter Integer type. Indicate whether a TE device accesses the Internet in Wi-Fi AP mode. 0 Disconnected 1 Connected 2 Signal unavailable Example AT+QWIFICON +QWIFICON: 'status',0 OK NOTE The command only supports the network situation when Wi-Fi is in AP mode. EC2x_Series&EG25-G_Wi-Fi_Application_Note 36 / 44 LTE Standard Module Series 2.3.12. AT+QCFG='sdio_clk' Set WLAN SDIO Clock This command sets WLAN SDIO clock. AT+QCFG='sdio_clk' Set WLAN SDIO Clock Read Command AT+QCFG='sdio_clk' Response +QCFG: 'sdio_clk', Write Command AT+QCFG='sdio_clk', OK Response OK Maximum Response Time Characteristics If there is any error: ERROR 30 s This command takes effect after the module is rebooted. The configuration is saved automatically. Parameter Integer type. WLAN SDIO clock type. 0 50 MHz 1 100 MHz 2 200 MHz 3 20 MHz 4 25 MHz Example AT+QCFG='sdio_clk' +QCFG='sdio_clk',0 OK AT+QCFG='sdio_clk',2 OK //The WLAN SDIO clock is 50 MHz. //Set WLAN SDIO clock as 200 MHz. EC2x_Series&EG25-G_Wi-Fi_Application_Note 37 / 44 LTE Standard Module Series 3 Description of URCs 3.1. +QWIFIND URC of Client Connection Status After Wi-Fi is enabled (AT+QWIFI=1), the URC will be reported to indicate if a client is connected or disconnected to AP and the MAC address of the client. +QWIFIND URC of Client Connection Status +QWIFIND: , Indicate the client connection/disconnection status and MAC address of the client. Parameter Integer type. Client connection/disconnection status. 0 Client is disconnected to AP 1 Client is connected to AP String type. MAC address of the client. Format: HEX number, such as '0A:0B:0C:0D:0E:0F'. Example +QWIFIND: 1,'0A:0B:0C:0D:0E:0F' //The client is connected to AP and the MAC address is '0A:0B:0C:0D:0E:0F'. +QWIFIND: 0,'0A:0B:0C:0D:0E:0F' //The client is disconnected to AP and the MAC address is '0A:0B:0C:0D:0E:0F'. EC2x_Series&EG25-G_Wi-Fi_Application_Note 38 / 44 LTE Standard Module Series 3.2. +QWIFICFG='stastatus' URC of STA Connection Status After Wi-Fi is enabled (AT+QWIFI=1), when a client in STA mode is connected or disconnected to AP, a URC will be reported to indicate the status and AP information automatically. +QWIFICFG='stastatus' URC of STA Connection Status +QWIFICFG:'stastatus',[,] URC will be reported. Parameter Integer type. STA mode connection status. 0 Disconnected 1 Connected String type. Access hotspot SSID. When =0, should be omitted. 3.3. +QWIFCFG='scandone' URC of Finishing STA Scanning After executing AT+QWIFICFG='scan',1, a URC will be reported when Wi-Fi STA scanning is finished. +QWIFCFG='scandone' URC of Finishing STA Scan +QWIFICFG: 'scandone', When the Wi-Fi STA scanning is finished, this URC will be reported. Parameter Integer type. Scanning status. 1 Scanning finished EC2x_Series&EG25-G_Wi-Fi_Application_Note 39 / 44 LTE Standard Module Series 4 Examples 4.1. Single AP Mode AT+QWIFICFG='workmode',0 OK AT+QWIFICFG='ssid',0,'AP-MODE-TEST' OK AT+QWIFICFG='channel',0,5 OK AT+QWIFICFG='mode',0,4 OK AT+QWIFICFG='auth',0,3,2,'1234567890' OK AT+QWIFI=1 OK //Set work mode to single AP (AP0). //Set the SSID of AP0 to AP-MODE-TEST. //Set the channel of AP0 to 5. //Set the frequency mode of AP0 to 802.11b/g/n. //Set the authentication type of AP0 to WPA2 personal authentication, encryption mode to TKIP and AES, and password to '1234567890'. //Enable Wi-Fi function. 4.2. Single STA Mode AT+QWIFICFG='workmode',1 OK AT+QWIFICFG='ssid',2,QSoftAP OK AT+QWIFICFG='auth',2,0 OK AT+QWIFI=1 OK //Set work mode to single STA. //Set the SSID of STA to QSoftAP. //Set the authentication type of STA to open system authentication. //Enable Wi-Fi function. EC2x_Series&EG25-G_Wi-Fi_Application_Note 40 / 44 4.3. AP0 + AP1 Mode AT+QWIFICFG='workmode',3 OK AT+QWIFICFG='ssid',0,QSoftAP-2.4G OK AT+QWIFICFG='ssid',1,QSoftAP-5G OK AT+QWIFI=1 OK LTE Standard Module Series //Set work mode to AP0 + AP1. //Set SSID of AP0 to QSoftAP-2.4 GHz. //Set SSID of AP1 to QSoftAP-5 GHz. //Enable Wi-Fi function. 4.4. AP + STA Mode AT+QWIFICFG='workmode',2 OK AT+QWIFICFG='ssid',0,'AP-MODE-TEST' OK //Set work mode to AP + STA mode. //Set SSID of AP0 to AP-MODE-TEST. AT+QWIFICFG='ssid',2,QSoftAP //Set SSID of STA to QSoftAP. OK AT+QWIFICFG='auth',2,4,2,'1234567890' OK AT+QWIFI=1 OK //Set authentication type of STA to WPA/WPA2 personal authentication, encryption mode to TKIP and AES, and password to '1234567890'. //Enable Wi-Fi function. 4.5. Scan Hotspots Nearby AT +QWIFICFG='workmode',1 OK AT+QWIFI=1 OK AT+QWIFICFG='scan',0 //Set work mode to single STA. //Enable Wi-Fi function. //Set Wi-Fi to scan and return hotspot information synchronously. EC2x_Series&EG25-G_Wi-Fi_Application_Note 41 / 44 LTE Standard Module Series +QWIFICFG: 'scan','01:02:03:04:05:06','Quectel_WiFi_Test',-34,4 //Return MAC address, SSID, signal, authentication type of the hotspot nearby. …. OK AT+QWIFICFG='scan',1 OK +QWIFICFG: 'scandone',1 //Set Wi-Fi to scan and return hotspot information asynchronously. //If STA is scanned, the URC will be reported. AT+QWIFICFG='scanresult' //Get nearby hotspots information. +QWIFICFG: 'scan','01:02:03:04:05:06','Quectel_WiFi_Test',-34,4 //Return MAC address, SSID, signal, and authentication type of the hotspot nearby. …. OK EC2x_Series&EG25-G_Wi-Fi_Application_Note 42 / 44 LTE Standard Module Series 5 Appendix References Table 3: Related Documents Document Name [1] Quectel_FC20_Series_Hardware_Design [2] Quectel_FC21_Hardware_Design Table 4: Terms and Abbreviations Abbreviation AES AP ASCII GBK GNSS HEX IoT IP IPv4 IPv6 LTE MAC MCU NMEA Description Advanced Encryption Standard Access Point American Standard Code for Information Interchange Chinese Internal Code Specification Global Navigation Satellite System Hexadecimal Internet of Things Internet Protocol Internet Protocol Version 4 Internet Protocol Version 6 Long Term Evolution Media Access Control Microcontroller Unit National Marine Electronics Association EC2x_Series&EG25-G_Wi-Fi_Application_Note 43 / 44 SDIO SSID STA TKIP UART UDP URC USB UTF WEP WLAN WPA WWAN LTE Standard Module Series Secure Digital Input Output Service Set Identifier Station Temporal Key Integrity Protocol Universal Asynchronous Receiver/Transmitter User Datagram Protocol Unsolicited Result Code Universal Serial Bus Unicode Transformation Format Wired Equivalent Privacy Wireless Local Area Network Wi-Fi Protected Access Wireless Wide Area Network EC2x_Series&EG25-G_Wi-Fi_Application_Note 44 / 44

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