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Available in left or right models
Efficient Addressing: Maximizes the use of system addressing by using one address for two zones
6kV surge protection
The R20K boasts a versatile feature set
It seamlessly integrates with Ubiquiti RocketM radios
LiftMaster 041B0639 Communicator Top Picks Available in left or rightLiftMaster 041B0639 Telephone Entry System Replacement Speaker The LiftMaster 041B0639 Telephone Entry System Replacement Speaker is designed for select newer model LiftMaster audio access control systems, offering clear audio alerts and voice communication. This speaker features a corrosion resistant plastic cone and is easy to install with corner fastener tabs. Corrosion resistant plastic speaker cone for outdoor use Easy installation with included
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