The Genie GM3T-BX is a backwards-compatible 3-button remote for most Genie garage door openers made since 1993. It works with 9-switch and 12-switch fixed-code systems and with Intellicode. Each remote can be programmed to three different Genie openers.
Model: GM3T-BX. Part: 37344R.
Programming instructions: Genie GM3T-BX instructions on the Support Manuals site.