About BLE Bluetooth of the P-9 Race

The BLE interface of the P-9 Race complies with the Bluetooth 5.1 specification. The Bluetooth device name is "P-9 Race BLE" (12 characters).
The primary Service UUID is 0xFFF0, and the Characteristic UUID is 0xFFF1.
The 0xFFF1 characteristic supports "Write Without Response and Notify".
Data transmitted through this characteristic follows the NMEA 0183 Version 4.11 standard. Applications only need to communicate with the "0xFFF1" characteristic to receive GNSS data and send commands.

Take "iOS" as an example

1. Click to install and run LightBlue>

2. Select "P-9 Race BLE".

3. Click "0xFFF1".

4. Click "Hex" in the upper right corner.

5. Select "UTF-8 String".

6. Click "Listen for notifications".

7. You can see the NMEA sentences output by the P-9 Race.

Take "Android" as an example

1. Click to install and run LightBlue>

2. Select "P-9 Race BLE".

3. Select "0000fff1".

4. Select "UTF-8 String" as Data format and click "SUBSCRIBE".

5. You can see the NMEA sentences output by the P-9 Race.