Genie Universal Dual Frequency Conversion Kit &ndash; Eliminates Frequency Interference and Upgrades Garage Door Openers (Compatible with Most Opener Brands) &ndash; Model GIRUD-1T ALLEVIATES FREQUENCY INTERFERENCE: The Genie GIRUD-1T is designed to alleviate frequency interference issues from implemented Land Mobile Radio Communication systems that cause shortened opener range. AUTOMATICALLY SEEKS CORRECT FREQUENCY: The Universal Dual Frequency Kit auto seeks the 315 or 390 Mhz so your opener responds regardless of nearby interference. UPGRADES OLD GARAGE DOOR OPENERS: Upgrades or adds Intellicode security to older openers. INCLUDES NEEDED ACCESSORIES: Kit comes with receiver box, transformer, wireless remote transmitter, wire and clips, mounting screws and instructions. COMPATIBLE WITH MOST MAJOR BRANDS: Dont have a Genie garage door opener? No problem. The GIRUD is universal.