... 5Km range,Modulation:GFSK Meter Reading,data transmitting RF Module, 2W RF Module, Industrial Wireless data collection, 433Mhz:YS-C30 ... design handles in most industrial application.1. Specifications* RF power: ≤2W /33dBm;* Receiving current: <25mA;* Transmitting current: <1.5A;* Sleep ... sleeping and receiving is less than 150mS. RF Module, 2W RF Module, Industrial Wireless data collection, 433Mhz