Features:
1. Main chip: S76G Lora Chip
2. Button: BOAT
3. Auto clock: 26 MHz active crystal
4. Antenna Model: LORA 868 MHZ GPS Antenna
5. Temperature: -45-80 Degrees C
6. Size: 78.12 x 25.40 x 62.67mm

Microcontroller:
1. STM32L073Z
2. High-performance ARM Cortex--M + 32-bit RISC core, working frequency 32MH
3. 192 kilobytes of flash
4. USB2.0 Full Speed a??a??Device / Host
5. 20 kbytes sram
6. Serial Wire Debug (SWD) and JTAG

LORA chip:
1. Semtech SX1276
2. LoRa modem
3. 20dBm constant RF output vs. V power supply
4. Programmable bit rate up to 37500bps
5. High sensitivity: as low as -137dBm
6. Leader detection payload up to 128 bytes, automatic RF sensing with using ultra-high-speed AFC, and CAD anti-blocking ability

GNSS chip:
1. CXD5603GF
2. GPS / GLONASS receiver
3. Ultra-low power
4. Supports SBAS / QZSS