Onboard Raspberry Pi 40-pin GPIO interface, compatible with Raspberry Pi series motherboards Onboard CP2102 USB-to-UART chip for serial debugging UART control interface exported for easy connection to microcontrollers such as Arduino or STM32 Onboard 4 LED indicators for module status monitoring Uses LoRa spread spectrum technology with up to 81 selectable channels, extended communication range, and strong anti-interference capability RF chip: SX1262 / SX1268 Operating frequency bands: 850.125–930.125 MHz / 410.125–493.125 MHz Compatible antennas: 915 MHz (2 dBi), 868 MHz (2 dBi), 433 MHz (2 dBi), 470 MHz (2 dBi) Air data rate: 0.3 kbps – 62.5 kbps (programmable) Output power: 22.0 dBm (10 / 13 / 17 / 22 dBm programmable) Receiver sensitivity: -147 dBm (at 2.4 kbps air data rate) Module power consumption:  Transmit current: 133 mA (peak) / 110 mA (typical peak)  Receive current: 11 mA  Sleep current: 2 µA (LoRa module software shutdown) Communication interface: UART (TTL level) Baud rate range: 1200 bps – 115200 bps (default: 9600 bps) Packet length: 240 bytes (programmable options: 32 / 64 / 128 / 240 bytes) Buffer capacity: 1000 bytes Measured communication distance: up to 5 km (tested in open, unobstructed environment, 2.5 m above ground, 5 dBi antenna gain, 2.4 kbps air data rate) Supply voltage: 5 V Logic level: 3.3 V / 5 V compatible Operating temperature: -40°C to +85°C Color: Blue Material: PCB Dimensions: 65 × 30.5 mm Package Contents: - 1 × SX1262 915 MHz LoRa HAT - 1 × USB Type-A to Micro-USB cable - 1 × 915 MHz antenna - 1 × Screw package - 1 × SX1268 433 MHz LoRa HAT - 1 × USB Type-A to Micro-USB cable - 1 × 433 MHz antenna - 1 × Screw package - 1 × SX1268 470 MHz LoRa HAT - 1 × USB Type-A to Micro-USB cable - 1 × 470 MHz antenna - 1 × Screw package - 1 × SX1262 868 MHz LoRa HAT - 1 × USB Type-A to Micro-USB cable - 1 × 868 MHz antenna This listing includes only the items listed above. Additional accessories or components are not included.