LiftMaster 850LM Universal Gate & Garage Door Opener Receiver
🔧 Key Features
- 3-channel receiver: Can control up to 3 gates or commercial door operators.
Multi-device support:
Channel 1: up to 50 remotes + 2 keypads
Channel 2: up to 20 remotes + 2 keypads
Channel 3: up to 20 remotes + 2 keypads
Commercial operator integration: Works with 3-button remotes for OPEN, CLOSE, STOP functions.
Flexible power options: Accepts 9–30 V AC or 9–34 V DC, or can be powered by compatible transformers (85LM plug-in or 95LM wired-in).
Security+2.0 compatibility: Default factory setting is 315 MHz Security+2.0 on all channels.
Exception for residential use: Only compatible with the LiftMaster 8500 residential jackshaft operator.
🔍 Smart hint
- LED indicators:
Blinks 3 times when remote capacity is full.
Blinks 4 times when keypad capacity is full.
- Antenna placement: Must not touch metal surfaces; avoid bending or folding.
- Mounting options: Can be secured with hook-and-loop fasteners (included) or screws (not included).
- Remote programming: Each channel can be programmed independently for different operators.
⚠️ Warnings
- Not myQ compatible: Cannot be used with LiftMaster’s myQ technology or the 828LM Internet Gateway.
- Residential garage door limitation: Not compatible with most residential openers using Security+2.0, except the 8500 model.
- Constant pressure operation: Receiver can command doors/gates to close only with continuous button press.
- Installation caution: Ensure proper spacing for antenna and secure mounting to avoid interference.
📦 What’s Included
- Receiver unit with 3-channel capability.
- Antenna with TV-type F coaxial connector.
- Hook-and-loop fasteners for mounting.
- Instruction manual with wiring and programming details.