Sunshine Garage sells external receiver for discontinued automatic garage door / gate remote controls.
ATA TX4 Garage Door / Automatic Gate Remote Control
B&D CAD4 27MHz 062150 Remote Upgraded Kit
Dominator ADS Remote Upgrade Kit SG702
Gliderol / Glidermatic Roller Door Remote Upgrade Receiver Kit GL702
Merlin M800 Upgrade Receiver Kit
Merlin M802 Upgrade Receiver Kit
Merlin M842 Upgrade Receiver Kit
