HD800D · Chamberlain

For HD800D · Chamberlain, opener brand is Chamberlain; opener model is HD800D; protocol or era is Purple April 2005-Current; visor remote is 950CD; mini or keychain remote is 956CD, 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

HD800D | <https://dooropenersandmore.com/product/chamberlain-950cd-315-mhz-single-visor-button-remote-control/> 950CD | <https://dooropenersandmore.com/?s=956d-mini-remote-control&product_cat=0&post_type=product> 956CD | <https://dooropenersandmore.com/product/chamberlain-940d-compatible-315-mhz-garage-door-opener-wireless-keypad/> 940D | Purple April 2005-Current

— 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/chamberlain-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.