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The Model 109020 1-Channel Receiver is designed for use in residential garage door operator applications. Typically the receiver mounts directly to the three terminals on the door operator. An 11-inch wire antenna extends from the receiver.
The operator supplies 24-volt power to the receiver, or the receiver can be powered by a separate 24-volt AC power transformer. Remote power accessories available for the Model 109020 include the Model 109201 Wiring Harness and the Model 109207 Wiring Harness. Both models include a plug-in transformer.