{"product_id":"liftmaster-commercial-gate-remote-811lm-two-pack-with-security-2-0-compatible-with-850lm-receiver-encrypted-rolling-code","title":"LiftMaster commercial gate remote 811LM Two-Pack with Security+ 2.0 — compatible with 850LM receiver, encrypted rolling-code","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster 811LM is a two‑pack commercial gate remote control using Security+ 2.0 encryption and designed exclusively for use with the LiftMaster 850LM receiver — not for residential garage openers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for professional gate installations, the 811LM remote provides encrypted radio control in a compact handheld form. This product is engineered specifically for commercial operator systems and pairs only with compatible commercial receivers. It is not universal and must not be used with residential garage door openers.\u003c\/p\u003e\n\n\u003ch3\u003eWhich systems will the 811LM remote work with?\u003c\/h3\u003e\n\u003cp\u003eThis remote is intended to operate with the LiftMaster 850LM commercial receiver and compatible commercial gate operators that accept Security+ 2.0 transmitters. It will not program into residential garage opener receivers or universal receivers that do not support LiftMaster’s commercial protocol.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: LiftMaster 850LM commercial receiver and approved gate operator models\u003c\/li\u003e\n  \u003cli\u003eNot compatible: residential garage door openers or non‑LiftMaster commercial receivers\u003c\/li\u003e\n  \u003cli\u003eRequires programming to the 850LM receiver by an authorized installer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Security+ 2.0 encryption protect a commercial gate?\u003c\/h3\u003e\n\u003cp\u003eSecurity+ 2.0 uses rolling code technology to change the transmitted code after each use, reducing the risk of interception and replay attacks. For commercial environments where access control matters, this adds a meaningful privacy and safety layer compared with fixed‑code remotes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRolling codes change after each button press\u003c\/li\u003e\n  \u003cli\u003eReduces possibility of code capture and unauthorized access\u003c\/li\u003e\n  \u003cli\u003eIndustry‑standard encryption used by LiftMaster commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and use features of the 811LM two‑pack?\u003c\/h3\u003e\n\u003cp\u003eEach package contains two handheld transmitters with straightforward button layouts and compact housings sized for keychain or pocket carry. Battery life is typical for gate remotes and replacement batteries are user‑replaceable, keeping downtime minimal for busy commercial sites.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo identical remote transmitters included\u003c\/li\u003e\n  \u003cli\u003eCompact, portable design for everyday carry\u003c\/li\u003e\n  \u003cli\u003eReplaceable battery for continued operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I program or clone these remotes myself?\u003c\/h3\u003e\n\u003cp\u003eProgramming procedures vary by installer setup and the 850LM receiver configuration; many commercial installations require a trained technician to enroll transmitters for security and compliance reasons. Check with your LiftMaster dealer or site technician before attempting self‑programming.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProgramming tied to the 850LM receiver; follow manufacturer instructions\u003c\/li\u003e\n  \u003cli\u003eProfessional installation often recommended for commercial sites\u003c\/li\u003e\n  \u003cli\u003eDocument serials and keep spares for rapid replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? The LiftMaster 811LM two‑pack targets businesses, property managers, contractors, and facilities teams that operate commercial gate systems using LiftMaster equipment and the 850LM receiver. If you manage vehicle access at industrial, gated‑community, or commercial properties and require encrypted remote control that integrates with LiftMaster commercial gear, this transmitter pair is designed for that environment. Do not purchase for residential garage door openers or for systems that do not explicitly list 850LM compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 811LM remote compatible with residential garage openers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 811LM is only for commercial gate systems and pairs with the LiftMaster 850LM receiver; it won't work with residential garage openers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this remote use encrypted transmission?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 811LM uses LiftMaster Security+ 2.0 rolling‑code encryption to reduce replay and interception risks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LiftMaster","offers":[{"title":"Default Title","offer_id":54587081785683,"sku":"B0192E64TK","price":58.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/liftmaster-811lm-front-view_jpg.jpg?v=1786699106","url":"https:\/\/findsworth.co.uk\/products\/liftmaster-commercial-gate-remote-811lm-two-pack-with-security-2-0-compatible-with-850lm-receiver-encrypted-rolling-code","provider":"Findsworth","version":"1.0","type":"link"}