... /10W, 433Mhz,option of 450-470Mhz; 2.range is 2-20KM in the open site 3.TTL/RS232/RS485 wireless adapter 4 ... multiple communication combination mode of the user.7. High speed wireless communication and Large data buffer zone When the RF baudrate ... the reliability of our modules. JZ878 Rf transmitter 433MHZ,options of 450-470MHZ,5/10W,12V,5-20km range wireless broadcasting module