1.5W/10W, 433Mhz,option of 450-470Mhz; 2. ... TTL/RS232/RS485 wireless adapter 4.remote control RF TransmitterTechnical specification of JZ878:Serial numberItemParameterNote1Modulation modeGFSK ... 20KMm Features:1.Power and receiving sensitivity Transmission power: 5W, RX current: <45mA, TX current:1.5A ... improve the reliability of our modules. JZ878 Rf transmitter 433MHZ,options of 450-470MHZ,5/10W,12V,5 ...