Linear DT3+1 Four Channel Delta 3 Transmitter

The Linear DT3+1 (part DNT00027A) is a 4-channel Delta-3 visor transmitter on 310 MHz for common gate access. It has three channels in one section and one separate channel: it runs one DRG gate receiver and up to three Delta-3 door receivers. Codes are set on DIP switches, with 256 independent codes for the gate and 64 multi-channel codes for doors. It runs on one 9-volt battery. A test and operate LED and a visor clip are included. Size is 2.16 in W x 3.75 in H x 0.95 in D. What's Included DT3+1 transmitter Visor clip Before You Order Works with Linear Delta-3 gate and door receivers on 310 MHz. Does not work with Linear Multi-Code or MegaCode receivers. Linear Delta-3 transmitters: DT (1-channel visor), DT-2A (2-channel visor), DT-4A (4-channel visor), DT3+1 (4-channel gate/door visor), Mini-T (1-channel key ring), DTKP (keypad), DTG (safety edge).