Poor garage door opener range is a common problem among homeowners. 41A3504 – Antenna Kit, 15 Ft of Coaxial Cable & Mounting Bracket Included . Yes – replace the batteryNo – you will not be able to use from visor Antenna . Metal building If the garage door opener is installed in a metal building, you will . The remote control unit for a garage door opener works by transmitting a radio signal to the unit inside the garage. . Improve the performance of an opener and increase the range by adding an antenna extension that you can buy online or at electronics outlets. Place a stepladder at . Long Range Garage Door Opener Receiver and Remote – Garage Door Remote Controls – Amazon.com. Extended Range Antenna for Gate Openers Garage Door Operators for use in Liftmaster . Narrow Band Receiver Antenna and 10′ Cable Assembly Included. A garage door opener is a motorized device that opens and closes garage doors. Most are . While the garage door remote control transmitter is low power and has limited range, . Some rolling code systems are more involved than others. Easily programmed and compatible with nearly every garage door opener Con:No program instructions included for second & third buttons, Range not as . 20 feet of coax cable can extend your Genie garage door opener’s range with the Genie 108035.0008.S Coax . Antenna is not included with this item. Related . Apr 13, 2017 – In order to troubleshoot, remove the household item(s) listed below from power and retry the remote function to see if range improves.