Linear MegaCode Plug-In Receiver, 1-Channel
The Model MDR/U 1-Channel Plug-in Receiver is a versatile (universal) receiver that makes it very easy to equip nearly any garage door operator for use with Linear's popular MegaCode format transmitters. MegaCode uses a frequency of 318 MHz and features over one million radio codes to all but eliminate any possibility of code duplication. It offers simplified programming via the receiver's learn mode.