SX1278 LoRa 433MHz 20dBm SMA-K Connector Wireless Transceiver E32-433T20DT UART 100mW Long Distance IoT RF Transmitter Receiver 868mhz sx1276 lora 100mw serial port wireless transceiver e32 868t20d 868 mhz iot module rf transmitter receiver sma connector
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