Product reviews:
4CH 27MHZ/49MHZ Radio System Remote 49 mhz transmitter and receiver
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Ian
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27MHz / 49 MHz Walkie Talkie 49 mhz transmitter and receiver
49 mhz transmitter and receiver
Gregary
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49 MHz Transmitter Test Report Revised 49 mhz transmitter and receiver
49 mhz transmitter and receiver