GNSS: GPS+Glonass or GPS+Beidou Interface: UART/I2C Voltage: 1.8V Antenna: External
GNSS: GPS+Glonass or GPS+Beidou Interface: UART/I2C Voltage: 1.8V Antenna: Internal
GNSS: GPS+Glonass or GPS+Beidou Interface: UART Voltage: 3.3V Antenna: External
GNSS: GPS+Glonass or GPS+Beidou Interface: USB2.0 Voltage: 3.3V Antenna: External
