LoRa Long Range Wireless LoRawan Module 433 433MHz 868 868MHz 915 915MHz MHz Ra-02 Ra 02 E32 E32-433T20D 433T20D E32-900T20D 900T20D SEMTECH SX SX1276 1276 SX1277 1277 SX1278 1278 SX1279 1279 Antenna Antena SMA IPX IPEX UART SPI Ebyte AI Thinker IOT ALL