Genie MAT90 Compatible Mini Keychain Remote (390 MHz 12 DIP Switch)

Replace your lost or damaged legacy garage door remote with this Mini Keychain Remote Control, a direct replacement for discontinued Genie MAT90, GT90-1, GPT90-1, AT90, and CT90 12 DIP switch transmitters. Designed for legacy 390 MHz Genie garage door openers, this compact Firefly key fob remote (manufactured by Transmitter Solutions, model 390GED21K) fits comfortably on a key ring, in a pocket, or inside a purse.

Setup is quick and simple: match the 12 internal DIP switches inside the remote to the 12 switches located on your original Genie opener motor head or external radio receiver.

Direct Replacement For Discontinued Genie 12 DIP Switch Remotes:

• Compatible Part Numbers: MAT90, MAT90-BL, GT90, GT90-1, GT90-2, GT90-3, GPT90-1, AT90, AT90-1, CT90, CT90-1, PMT90, PMT90-1, LDT90, LD12, ALT90-1, AT290P, GT912 (12-switch mode)

Opener System Compatibility (390 MHz with 12 DIP Switches Only):

Compatible with legacy Genie, BlueMax, Alliance, AlliancePro, Medallion, and Lift-A-Door garage door openers manufactured between 1982 and 1995 that use 12 binary ON/OFF DIP switches operating on 390 MHz:

• Genie Models: GS900, GS920, GS940, GS810, GS210, SP99, SP129, SP229, LD100, LD500, CM60, CM70, CM80, PMX60, PMX70, PMX80, PRO83, PRO93, SD9000, SD8000, and related 12-switch 390 MHz units.

Product Features & Specifications:

• 12 DIP Switch Code Block: Provides 4,096 manual code combinations matching 12-position binary switch banks.
• Compact Keychain Design: Ultra-small, durable casing with a built-in keyring attachment loop.
• Built-In LED Test Light: Visual confirmation of active signal transmission and battery strength.
• Dimensions: 2.0″ L x 1.5″ W x 0.5″ D
• Power Source: One (1) 12V A27 / MN27 battery (included).
• Included Accessories: Keyring loop, battery, and programming instructions.
• Warranty: 2-Year Manufacturer Warranty.

Important Compatibility Exclusions (Will NOT Work With):

• Genie Intellicode Systems: Will NOT work with Genie Intellicode or Overhead Door CodeDodger rolling code openers manufactured from 1997 to present (requires G1T-BX compatible remotes).
• Genie 9 DIP Switch Systems: Will NOT work with openers that feature only 9 DIP switches (requires AT85 / GT912 9-switch compatible remotes).
• Other Brands: Will NOT operate LiftMaster, Chamberlain, Craftsman, Linear, Stanley, or Wayne Dalton openers without a compatible Genie 390 MHz 12-switch external receiver installed.