*Transmission power: 10mW; *Power supply: DC 5v or 3.3V; *Receiving current: <25mA; *Transmitting current: <40mA; *Sleep current: <20uA; *Transmission distance: 500m ; *Size: 47x6x10mm (without antenna port ). ------------------------ Applications areas: * Automatic meter reading (AMR) and home automation * Supervisory control and data acquisition (SCADA) * Remote control,industry data collection; * Monitoring of remote systems * Production reporting of active systems * Wireless remote control alarm of power supply and fan equipment in the computer room; --------------- We manufacture various kinds of RF modules used in remote control, we do export and accept OEM/ODMs with high quality, sincere service and competitive price. All the products come with a minimum 1 year warranty and we provide unlimited customer support telephone and email.