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