Product reviews:
27MHz / 49 MHz Walkie Talkie 49 mhz transmitter and receiver
49 mhz transmitter and receiver
4CH 27MHZ/49MHZ Radio System Remote 49 mhz transmitter and receiver
49 mhz transmitter and receiver
YO3DAC - Homebrew RF Circuit Design Ideas 49 mhz transmitter and receiver
49 mhz transmitter and receiver