EWM108-GN06BS AT9880B chip single beidou satellite positioning and navigation module Support A-BDS assisted positioning active temperature compensated crystal oscillator
[Communication interface]：UART
[Operating voltage]：2.7-3.6V
[Product size]：12.2*16.0*2.4mm
[Product weight]：0.9±0.1g
[Introduction]：EWM108-GN06BS single Beidou module is based on the new generation SOC single Beidou multi-frequency chip AT9880B of Zhongkewei, supporting B1I, B1C, B2I, B3I, B2a and B2b frequency signals of Beidou-2 and Beidou-3.It can be used in application fields such as wearable devices, mobile phones, IoT devices, drones, smart driving, precision agriculture, precision measurement and power communication equipment.
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| Pin number | Pin Name | Pin Direction | Pin Purpose |
| 1 | NC | - | - |
| 2 | NC | - | - |
| 3 | 1PPS | Output | 1 Pulse Per Second |
| 4 | NC | - | - |
| 5 | NC | - | - |
| 6 | NC | - | - |
| 7 | NC | - | - |
| 8 | RESET_N | input | Reset pin, external reset input, internal pull-up, must be left floating if not used |
| 9 | VCC_RF | Output | RF power output, +3.3V, used to power active antennas |
| 10 | GND | - | Module Ground |
| 11 | RF_IN | input | Antenna interface |
| 12 | GND | - | Module Ground |
| 13 | GND | - | Module Ground |
| 14 | NC | - | - |
| 15 | NC | - | - |
| 16 | NC | - | - |
| 17 | NC | - | - |
| 18 | NC | - | - |
| 19 | NC | - | - |
| 20 | TXD | Output | Serial port output, 3.3V level |
| 21 | RXD | input | Serial port input, 3.3V level |
| 22 | VBAT | input | RTC and SRAM backup power supply, power supply range: 1.5~3.6V power supply to ensure module hot start |
| 23 | VCC | input | Power supply pin, power supply range: 2.7V-3.6V |
| 24 | GND | - | Module Ground |