M65 + M66 compatible design
M65 and M66 are quad-band GSM/GPRS modules supporting GSM850/EGSM900/DCS1800/PCS1900. The two modules are compatible, and customers can choose a suitable product for terminal applications according to their needs.
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Overview
M65 and M66 are quad-band GSM/GPRS modules supporting GSM850/EGSM900/DCS1800/PCS1900. The two modules are compatible, and customers can choose a suitable product for terminal applications according to their needs.
Table 1: Module general information
| Module | Packaging | Dimensions | Description |
|
M65 |
44 LCC pins |
17.7mm × 15.8mm × 2.4mm |
Quad-band GSM/GPRS module |
|
M66 |
44 LCC pins |
17.7mm × 15.8mm × 2.3mm |
Quad-band GSM/GPRS module |
Table 2: Features overview
| Feature | M65 | M66 | Remarks |
|
Power supply |
3.45V~4.25V
Typ. 4.0V |
3.3V~4.6V
Typ. 4.0V |
|
|
Peak current |
2.0A |
1.6A |
|
|
Sleep current |
1.2mA @DRX=5 1.1mA @DRX=9 |
1.3mA @DRX=5 1.2mA @DRX=9 |
|
|
Frequency bands |
Quad-band: GSM850/EGSM900/ DCS1800/PCS1900 |
Quad-band: GSM850/EGSM900/ DCS1800/PCS1900 |
|
|
Temperature range |
Operation temperature range: -35°C ~ +75°C
Extended temperature range: -40°C ~ +85°C Storage temperature range: -40°C ~ +90°C |
Operation temperature range: -35°C ~ +75°C
Extended temperature range: -40°C ~ +85°C Storage temperature range: -40°C ~ +90°C |
|
|
UART interface |
Main UART port:
Debug UART port
Auxilary UART port
|
Main UART port:
Debug UART port
Auxilary UART port
|
Signal level: 2.8V |
|
(U)SIM interface |
1.8V/3.0V (U)SIM card |
1.8V/3.0V (U)SIM card |
|
|
Audio interface |
One analog input channel
Two analog output channels |
One analog input channel
Two analog output channels |
|
|
PCM interface |
Supported |
Not supported |
|
|
ADC |
Supported |
Supported |
|
|
BT |
Not supported |
Supports BT 3.0 |
|
|
RTC |
Vnorm=3.1V VI=3.0V~3.5V |
Vnorm=2.8V VI=1.5V~3.3V |
|
|
Firmware upgrade |
Debug UART or DFOTA |
Main UART or DFOTA |
Note:
1. Within operation temperature range, the module is 3GPP compliant.
2. Within extended temperature range, the module remains the ability to establish and maintain a voice, SMS, data transmission, etc. There is no unrecoverable malfunction. There are also no effects on radio spectrum and no harm to radio network. Only one or more parameters like Pout might reduce in their value and exceed the specified tolerances. When the temperature returns to normal operation temperature levels, the module will meet 3GPP specifications again.
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