[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.
Official Store| Main parameters | performance | Remark | ||
| Minimum | Typical Value | Maximum | ||
| Operating voltage (V) | 2.7 | 3.3 | 3.6 | Over 3.6V may burn the module |
| Communication level (V) | 3.3 | Using 5V TTL may burn out | ||
| Operating temperature (°C) | -40 | - | 85 | Industrial-grade design |
| Storage temperature (℃) | -40 | - | 125 | |
| Humidity (%RH) | 5 | - | -95 | No condensation |
| Main parameters | describe | Remark | |
| Baud rate (bps) | 4800~460800 | Default 115200bps | |
| Data bits | 8bit | - | |
| Stop bits | 1 | - | |
| Communication interface | UART | - | |
| Packaging | SMD | - | |
| EWM108-GN06B Dimensions | 9.7*10.5*2.4mm | ±0.2mm | |
| EWM108-GN06BS Dimensions | 12.2*16.0*2.4mm | ||
| Antenna interface | Stamp Holes | - | |
| Communication Protocol | Support NMEA0183 V4.10 and previous versions | - | |
| Positioning update rate | 1Hz (default) | The maximum positioning update frequency can reach 20Hz | |
| Supported positioning systems | BDS | B1I, B1C, B2I, B3I, B2a, B2b | |
| Product Weight | EWM108-GN06B | 0.5g | ±0.1g |
| EWM108-GN06BS | 0.9g | ||
| category | Indicator | Typical Value | unit |
| Positioning time (Test condition 1) | Cold Start | ≤23 | s |
| Hot Start | ≤1 | s | |
| Recapture | ≤1 | s | |
| Sensitivity (Test condition 2) | Cold Start | -148 | dBm |
| Hot Start | -156 | dBm | |
| Recapture | -160 | dBm | |
| track | -162 | dBm | |
| Accuracy (Test condition 3) | Horizontal positioning accuracy (static) | ＜1.0 | m |
| Speed positioning accuracy | ＜0.05 | m/s | |
| Timing accuracy | 10 | ns | |
| Power consumption (Test condition 4) | EWM108-GN06B capture current | 41 | m.a. |
| EWM108-GN06BS capture current | 37 | ||
| EWM108-GN06B Tracking Current | 52 | m.a. | |
| EWM108-GN06BS Tracking Current | 48 | ||
| EWM108-GN06B sleep current | 48 | a | |
| EWM108-GN06BS Sleep Current | 49 |
[ Test condition 1] : The number of received satellites is greater than 6 , the signal strength of all satellites is -130dBm , the average value is taken after 10 tests , and the positioning error is less than 10 meters.
[ Test condition 2] : External LNA noise coefficient 0.8 , number of received satellites greater than 6 , received signal strength value under the condition of locking or not losing lock within 5 minutes.
[ Test condition 3] : Open and unobstructed environment, 24 hours of continuous power-on test, 50% CEP .
[ Test condition 4] : The number of received satellites is greater than 6 , and the signal strength of all satellites is -130dBm .