Access to gated communities, industrial facilities, & commercial sites all with a single transmitter solution. Three channels: Channel 1 up to 50 remotes; Channels 2 & 3 up to 20 remotes each. Compatible with 811LM, 813LM, 891LM, 893Lm, 892LT, 894LT and all MAX remote controls. Power: 12-24VDC or 12-24VAC. Output channels: 1 FORM C & 2 FORM A relays. Narrow-band on 310 MHz, 315 MHz, and 390 MHz Security+ 2.0™ Rolling Code and Encrypted DIP. Operational temperature -35° to 65° C; Storage temperature -40° to 85° C