3-CHANNEL RECEIVER • The 3-channel radio receiver can operate up to 3 different openers or applications. The relays are potential-free. The radio receiver can also be connected to controls requiring separate OPEN, CLOSE and STOP functions. • Channel 1: max. 50 transmitters – Channel 2: max. 20 transmitters – Channel 3: max. 20 transmitters • Compact design • Narrow band receiver with 6 frequencies for 868 MHz and 433 MHz • Compatible with all Evolution 868-MHz and 433-MHz transmitters: TX2EVS, TX2EV, TX4EVS, TX4EV, TX4UNIS, TX4UNI and 747EV • IP class: IP45 for use outdoors