Leviton HCA02 Decora Home Controls (DHC) Coupler/Repeater – 2 Phase
Signal Amplification/Repeating:Boosts command signals to maintain strength throughout the DHC network. Signal Coupling:Bridges signals from one 120V leg to the other in a split-phase system. Test Signal Generator:Allows you to send a test signal (ON/OFF) to check signal strength at different locations using a compatible indicator.