Illustrative rendering of a separate plug-in garage-door receiver with an antenna wire
Illustrative rendering

Receiver conversion

Linear MDR/U

One-channel plug-in MegaCode receiver

A separate wired receiver that adds Linear MegaCode remote control to a compatible garage-door operator.

Availability and price can change. Confirm them on the official product page.
Memory
Up to ten MegaCode transmitters
Radio
MegaCode at 318 MHz
Connection
110-volt plug and two-conductor control wire
Dimensions
2.52 × 2.5 × 1.61 inches

Receiver conversion

Installed hardware—not a handheld remote

This is a separate wired receiver that connects to a compatible operator. Its own radio system determines which remotes can be programmed after installation.

Identify what is installed now →
MegaCodeReceiver system · 318 MHz
Linear MDR/U receiver compatibility and specifications | Garage Remote Finder