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: L1/L5 Dual Band multi-constellation Interface: UART/I2C Voltage: 1.8V Antenna: External
