... 4.Dimensions: 14*33mm 5.Modulation : ASK/OOK RF moduleRF module rf transceiver module wireless video receiver modulewith 315 or 433 ... GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver module, Smoke/Gas/PIR Motion/Door sensor and ... used in cars, motorcycles, shops and house.Especially, our RF Transmitter/Receiver module used extensively in the garage, shutter ...