... Transmitter&reciever Effect distance:100m(no interfere) Suit for Car Camera,GPS,Monitor,DVD Best 2.4G Wireless Equiptment 2 ... .4G Transmitter and reciever for Car Camera Model:C502 Brief Introduction:2.4G Wireless Equiptment2. ... 4G Transmitter&recieverEffect distance:100m(no interfere)Suit for Car Camera,GPS,Monitor,DVD Specification:2.4G wireless module ...