... Fof RC Toy (3)FM40.665Mhz ~ FM40.985Mhz FM TX/RX Radio Frequency Crystals (1)Aeromodeling crystals: mainly ... be adapted different modulation methods, such as: AM, FM and PPM(3)Different mixing methods, such as: RX (455KHz ... , KO propo, Hi-Tec, GWS, .... 40.665 MHz FM Channel 66 (UK) or 50 (Euro) CRYSTAL MARKING No ... .T/R3740.695 MHz FM Channel 69 (UK) or 53 (Euro) CRYSTAL MARKING ...