Onboard 40pin GPIO interface, suitable for Raspberry series motherboardsOnboard CP2102 USB to UART chip, convenient for serial debuggingExport the UART control interface of the module, which is convenient to connect to the main control board such as /STM32Onboard 4 LED indicators, easy to check the running status of the moduleUsing LoRa spread spectrum technology, up to 81 channels are optional, the communication distance is , and the anti-interference is strongerRF chip: SX1268Working frequency band: 410.125 - 493.125MHzSupporting antenna: 433MHz Antenna (2dBi)Air rate: 0.3kbps-62.5kbps (programmable control)Transmit power: 22.0dBm (10/13/17/22dBm programmable control)Receive sensitivity: -147dBm (air rate 2.4kbps)Module power consumptionEmission current: 110mA (instantaneous power consumption)Receive current: 11mASleep current: 2uA (LoRa module software shutdown)Communication interface: UART (TTL level) rate range: 1200bps- 115200bps (default is 9600bps)Packet length: 240 (32/64/128/240 programmable)Cache capacity: 1000 Measured distance: 5km (Test environment: clear and open, 2.5 above sea level, 5dBi antenna gain, 2.4kbps air rate)Supply voltage: 5V level: 3.3VI5VWorking temperature: -40-85CelsiusColour:blueMaterial:PCBSize:65 x 30.5MMPackage Contents:1 x SX1268 433M LoRa HAT1 x USB type A Plug To -Plug Cable1 x 433MHz Antenna1 x Screw PackageOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.