3500 · LiftMaster

For 3500 · LiftMaster, opener brand is LiftMaster; opener model is 3500; protocol or era is Security + 315 MHz, Purple (2005 to present); visor remote is 371LM; mini or keychain remote is 370LM, recorded from its source on 2026-08-31; source re-checked 2026-09-16.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

3500 | <https://dooropenersandmore.com/product/chamberlain-purple-learn-button-visor-garage-door-remote-control/> 371LM | <https://dooropenersandmore.com/product/liftmaster-370lm-compatible-315-mhz-security-3-button-garage-door-opener-key-chain-remote/> 370LM | <https://dooropenersandmore.com/product/liftmaster-878max-wireless-keypad/> 878MAX | Security + 315 MHz, Purple (2005 to present)

— dooropenersandmore.com, retrieved 2026-08-31

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

— all from dooropenersandmore.com, retrieved 2026-08-31

Source

• dooropenersandmore.comhttps://dooropenersandmore.com/compatibility-charts/liftmaster-compatibility-chart/

Last verified against source: 2026-09-16. Due for re-check by 2027-08-31. This page as Markdown · OKF bundle · full dataset as JSON.