Holyiot Ble 4.2 Module NRF52832 Sigmesh Node Wireless Rf Gfsk 2.4g Bluetooth Module
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CC1310 CE/FCC/TELE Multi-frequency 433Mhz / 470Mhz 868Mhz / 915Mhz IoT Wireless RF Module Multiple Interfaces UART/SSI/I2C/I2S
433MHz AC 110V 220V Light Switch Wireless Remote Control Switch 10A Receiver Module For Fan Bulb LED
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$1.19 - $1.80
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