... 5:Dimensions: 43*30mm rf machine Radio frequency with 315 or 433.92MHz wireless rf receiver module 1). Wireless frequency: 315MHz ... Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver module, Smoke/Gas/PIR Motion/Door sensor and so ... cars, motorcycles, shops and house.Especially, our RF Transmitter/Receiver module used extensively in the garage, shutter and automatic ...