The technology used in older model pre 2000 era genie garage door systems utilized a series of dip switches to regulate the actual frequency of the garage door wireless transmitter.
Genie garage door opener frequency.
If you have a garage door opener that operates on frequencies of 380 400 mhz and you live within 50 miles of a military base airport or other government facility your garage door opener could be affected.
In this case the genie girud 1t universal conversion kit can help.
Genie gm3t bx garage door opener intellicode dual frequency 315 390 mhz remote 3 button 30 00 18 75 1 oz genie garage door opener wireless keyless keypad safe secure access compatible with all genie 31 53 1 97 1 oz garage door opener safe t beam replacement kit 32 96.
Subsequent genie models utilize a smart system to synchronize the garage door transmitter with the hand held receiver with a constantly changing frequency.
The frequency may need to be changed for various environmental reasons such as radio interference or a neighbor with the same garage remote frequency.
Genie garage door opener models and genie remote listings genie common platform residential operators there are 2 types of radio controls shown in this list all use a base 390 mhz frequency.