RCD550 · Hercules

For RCD550, opener brand is Hercules; protocol or era is 9 or 12 Dip Switch; visor remote is GT912; wireless keypad is GWK-12, recorded from its source on 2026-08-31.

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

HERCULES | RCD550 | GT912 | N/A | GWK-12 | 9 or 12 Dip Switch

— dooropenersandmore.com, retrieved 2026-08-31

Source

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

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