The Linear DT3+1 is a 4-Channel Common Access Transmitter that can control 4 different Linear Delta 3 or Moore O Matic gate or garage door openers that have 8 on/off dip switches for programming.
-Can activate one DRG gate receiver and up to three separate Delta-3 receivers
-Visor mounting clip supplied
-9-volt battery included
-Codes: 256 independent codes for gate + 64 multi-channel codes for doors (set by dip switches)
-RF frequency: 310 MHz
-Dimensions: 2.16" W x 3.75" H x .95" D