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REES52 ® RF434 RF Module 434-Mhz - RF Transmitter Receiver Module Kit - 1 Transmitter and 1 Receiver Compatible with Arduino Uno : Amazon.in: Industrial & Scientific
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433Mhz 433M 433 MHZ RXB14 Superheterodyne Wireless Receiver Module Board 3.3V-5.5V for Arduino AVR - AliExpress
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