- Lead out pins and interface:
- SDA SCL: I2C data output interface
- 1PPS : 1PPS time output
- RXD, TXD: default serial signal output, NEMA data 9600bps
- STD: Standy mode pin. (via transistor)
- GND, 3.3V: Power supply
- Customizable antenn port, support SMA, IPX or through pin connector. Default placed IPX antenna connector. You can remove and solder others.
- On board 1PPS LED indicator (default not connect via jumper)
- On board backup battery, once main power supply cut off, GPS data will still be stored temporary.