RF Module, 2W RF Module, Industrial Wireless data collection, 433Mhz, 5Km range,Modulation:GFSK Meter Reading,data transmitting RF Module, 2W RF Module, Industrial Wireless data collection, 433Mhz:YS-C30 series data radio ... and Low BER (Bit error Rate);* Half duplex: Integration of receiver and transmitter,10ms auto change for receiving and sending;* Low ...