Concurrent: 3 (GPS/BeiDou/Galileo(default) or GPS/GLONASS/Galileo), when Beidou B1L is turned off, it becomes possible to use 4 satellite systems at the same time: GPS+BeiDou(B1C)+GLONASS+Galileo
Max Navigation rate: 10Hz
Max satelite num: 32
Input Voltage: 5V
Current: 30mA
Output Interface(GPS): UART (3.3V LVTTL)
Interface(Compass): I2C
UART Baudrate: 115200(default)
Output Protocol: UBX-PVT(default)
PPS LED: Blue (Solid ON after powering on, blinking(1Hz) when GNSS get 3D fix )