E22-230T37S SEMTECH LoRa solution, 230MHz, 5W high power, relay networking,LoRa wireless module [Product weight]:10.8±0.1g [Communication interface]:UART serial port [Carrier frequency]:220.125~236.125MHz [Transmission power]:37dBm [Communication distance]:25km [Introduction]:E22-230T37S is a new generation of...