Sx1268 rf transceiver module lora spread spectrum 433/470mhz ebyte E22-400M33S 2w spi smd lange afstand 12km stempelgat/ipex
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Sx1268 rf transceiver module lora spread spectrum 433/470mhz ebyte E22-400M33S 2w spi smd lange afstand 12km stempelgat/ipex