Product reviews:
27MHz / 49 MHz Walkie Talkie 49 mhz transmitter and receiver
49 mhz transmitter and receiver
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Wireless Thermometer Using 433 MHz RF 49 mhz transmitter and receiver
49 mhz transmitter and receiver
Tim
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RF Module 434-MHz (1 Transmitter + 1 49 mhz transmitter and receiver
49 mhz transmitter and receiver