Linear 1-Channel Plug-in MegaCode Receiver | LIN-MDR/U 20-1050-1T Single Form "A" (normally open)

Single Form "A" (normally open) relay rated at 30 Volts AC/DC up to 5 Amps

External 8' whip antenna

LiftMaster 123601

or always on

LiftMaster 10-3515

Linear 1-Channel Plug-in MegaCode Receiver | LIN-MDR/U 20-1050-1T Single Form "A" (normally open)Linear 1 Channel Plug in MegaCode Receiver LIN MDR U A versatile (universal) receiver that makes it very easy to equip nearly any garage door operator for use with Linears popular MegaCode format transmitters. MegaCode uses a frequency of 318 MHz and features over one million radio codes to all but eliminates any possibility of code duplication. It offers simplified programming via the receivers learn mode. Previously, when installers wanted to add