Linear DR3A with 2 DTC Remotes

Linear Moore-O-Matic gate or garage opener receiver. 24V AC 3 wires. 310 MHz frequency 8 Dip switches for coding. Linear DD DNP00006 1 Channel 310MHz Delta Double Receiver and Transmitter Remote 24 Volt, single channel, three terminal Delta 3 receiver, 256 selectable codes, with TWO single button DT transmitter, 310 MHz Features Radio receiver and transmitter set One DR receiver 256 selectable codes Two DT transmitters Compatible with 310 MHz Delta-3 systems