Liftmaster 850LM 310MHz 315MHz 390MHz Gate Garage Door Opener Universal Receiver. Provides convenient access to gated communities, industrial facilities, and commercial sites all with a single transmitter solution. Three channels provide expanded remote control capacity: Channel 1 50 remotes, Channel 2 20 remotes, Channel 3 20 remotes. Multiple remote control options available to provide secure access from the safety and convenience of a vehicle. Compact design fits most gate and commercial door operators.Compatible with 811LM, 813LM, and all MAX remote controls. Relay Outputs: Output channels 1 FORM C and 2 FORM A relays. Narrow-band on 310 MHz, 315 MHz, and 390 MHz Security+ 2.0. Rolling Code and Encrypted DIP. Operational temperature from -35 to 65 degrees C; Storage temperature from -40 to 85 decrees C. The item "Liftmaster 850LM + 811LM 813LM Remote Gate Garage Door Opener Universal Receiver" is in sale since Friday, December 18, 2020. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Garage Doors & Openers\Garage Door Remotes". The seller is "household-supplies-mega-store" and is located in Miami, Florida. This item can be shipped worldwide.