... Fof RC Toy (3)FM40.665Mhz ~ FM40.985Mhz FM TX/RX Radio Frequency Crystals (1)Aeromodeling crystals: ... be adapted different modulation methods, such as: AM, FM and PPM(3)Different mixing methods, such as: ... RX (455KHz), DRX (10.7MHz);(4)Frequency requirements in different countries, such as: ... KO propo, Hi-Tec, GWS, .... 40.665 MHz FM Channel 66 (UK) or 50 (Euro) CRYSTAL MARKING No ...