... PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver module, Smoke ... . We can also research and develop wireless remote control system based on clients’ needs, which are widely used in ... cars, motorcycles, shops and house.Especially, our RF Transmitter/Receiver module used extensively in the garage, shutter ...