# Wi-Fi & Bluetooth FC41D

## Summary
- Wi-Fi & Bluetooth module
- Max. data rate of 72 Mbps
- LCC form factor
- 20 mm × 18 mm × 2.6 mm
- Operating temperature range of -40°C to +85°C

## Key features
- Supports Bluetooth 5.2 and Bluetooth pairing
- Supports Wi-Fi (2.4 GHz), 1 × 1 SISO
- Large memory, 256 KB RAM and 2/4 MB flash
- Supports up to 19 GPIOs for UART, SPI, I2C, ADC and PWM functions in QuecOpen® solution
- 4th generation RF coaxial connector, external antenna pin, PCB antenna (optional)
- High stability, high reliability and full compatibility

## Overview
FC41D is a cutting-edge MCU Wi-Fi and Bluetooth module launched by Quectel. It boasts a high-performance processor with a frequency of up to 120 MHz and supports IEEE 802.11b/g/n protocol and Bluetooth 5.2. The module features built-in 256 KB RAM and 2/4 MB flash, ensuring efficient performance. In addition, it complies with WPAPSK, WPA2-PSK and WPA3-SAE security standards.

FC41D is in an LCC form factor with an ultra-compact package size of 20.0 mm × 18.0 mm × 2.6 mm, which optimizes the size and cost for end-products and is compatible with diverse designs.

FC41D supports multiple interfaces including UART, SPI, I2C, ADC and PWM, and many low power consumption modes and keep-alive mechanism, which provide flexibility and versatility for a range of applications, especially in smart homes and industrial IoT scenarios.

FC41D supports the QuecOpen® solution and standard AT commands, has a compact protocol stack. FC41D supports a variety of public cloud services, and can realize efficient product development for customers.

## Product Brochure
[Quectel_Product_Brochure_V8.6.pdf](https://www.quectel.com/content/uploads/2026/05/Quectel_Product_Brochure_V8.6.pdf)

## Documentation and resources
- **[AT Commands Manual](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  File Size: 1.76 MB  
  Title: Quectel_FC41D&FCM100D&FCM740D&FLMx40D_AT_Commands_Manual_V2.2

- **[AWS IoT Guidelines](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  File Size: 1.34 MB  
  Title: Quectel_FC41D_AWS_IoT_Platform_Access_Guide_V1.0

- **[EVB Kit](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  File Size: 1.06 MB  
  Title: Quectel_FC41D_TE-B_User_Guide_V1.0

- **[Hardware Development Resources](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  - File Size: 225.52 KB  
    Title: Quectel_FC41D_2D_Dimensions_V1.2
  - File Size: 602.92 KB  
    Title: Quectel_FC41D_3D_Dimensions_V1.2
  - File Size: 518.37 KB  
    Title: Quectel_FC41D_Footprint&Part_V1.0
  - File Size: 306.88 KB  
    Title: Quectel_FC41D_Reference_Design_V1.0
  
- **[ToolKit](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  File Size: 326.70 MB  
  Title: QFlash_V8.0_EN

- **[User Guide](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fc41d%2F)**  
  - File Size: 786.20 KB  
    Title: Quectel_FC41D_Wi-Fi_Pairing_Guide_V1.0
  - File Size: 695.14 KB  
    Title: Quectel_FC41D_Firmware_Download&Upgrade_Guide_V1.2

## Related products
### [YF0011KA Wi-Fi adhesive mount FPC + cable dipole embedded antenna](https://www.quectel.com/product/yf0011ka-wi-fi-bt-adhesive-mount-antenna/)
![YF0011KA](https://www.quectel.com/content/uploads/2024/03/YF0011AA-1.png)

### [YSAN026XX DC~6GHz RP SMA female to IPEX MHF1 cable with an o-ring](https://www.quectel.com/product/ysan026xx-antenna-cable-2/)
![YSAN026XX](https://www.quectel.com/content/uploads/2024/03/YSAN026XX.png)

### [FC41D-TE-B EVB kit](https://www.quectel.com/product/fc41d-te-b-evb-kit/)
![FC41D-TE-B](https://www.quectel.com/content/uploads/2024/07/EVB-FC41D.png)

### [YEBT002W1AM Wi-Fi terminal mount rubber monopole external antenna](https://www.quectel.com/product/yebt002w1am-wifi-terminal-mount-antenna/)
![YEBT002W1AM](https://www.quectel.com/content/uploads/2024/09/YEBT002W1AM_1200x950.png)

## Customer device profiles
### Games console
![ModRetro](https://www.quectel.com/content/uploads/2026/04/M64_family-1024x453.jpg)

### Boat monitoring
![Siren Marine](https://www.quectel.com/content/uploads/2025/01/siren_marine-Helps_boat_owners_keep_assets_secure_for_next_voyage-1024x576.jpg)

## Also of interest

- [Info FC41D in BLE peripheral mode](https://forums.quectel.com/t/info-fc41d-in-ble-peripheral-mode/27013)
- [FC41D Development Guide](https://developer.quectel.com/doc/shortrange/FC41D/en/index.html)