Marantec Deluxe 2-Wire Plug-in External Receiver Upgrade Kit (315 MHz) 73870 Marantec Garage Door Opener for 315 MHz. Innovative concept where the receiver module is external to the opener and simply plugs into the outlet and is connected to the wall control button. This allows frequency changes to occur more simply and quickly. Compatible with any garage door opener. Homelink compatible. Includes a 2-button remote for programming into your Homelink system, receiver with built-in transformer, visor clip, 2-wire cable, and programming cable. Easy to install, includes receiver part number 61340. Also known as RCP02-3101M (315 MHz)