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QIACHIP WL101 Superheterodyne Receiver and WL102 Transmitter kit 433Mhz RF Wireless Module with Antenna for Arduino UNO DIY Kits
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QIACHIP Wireless 433Mhz RF Module Receiver and Transmitter Remote Control Built-in Learning Code 1527 Decoding 4 Channel Output (Transmitter and Receiver kit) - - Amazon.com
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