LiftMaster 312HM Universal Coaxial Receiver Security+ 390 MHZ

Keep your perimeter access reliable and professional with the LiftMaster 312HM Universal Coaxial Receiver. Purpose-built for gate operators and access control systems, this security wireless receiver operates on a 390 MHz frequency and uses Security+ rolling-code technology to protect against cloning and unauthorized entry. Installers appreciate the flexible power options — selectable 12VDC or 18–35VAC/DC — that make retrofits quick and reduce downtime. The 312HM stores up to 15 high-security (Security+) or 31 standard remote codes, simplifying credential management for commercial sites, gated communities, and managed facilities. A durable two-piece aluminum case and an external 8" whip antenna deliver durable outdoor performance and improved signal reception, supporting uninterrupted monitoring and remote control. Compatible with common LiftMaster remotes and keypads, the 312HM integrates smoothly into existing surveillance and access control setups. For contractors and facilities managers who need dependable, secure gate operator receivers, the LiftMaster 312HM is a practical upgrade. Order now to strengthen your access control and streamline security operations.

• Enhance site security with Security+ rolling-code protection to prevent code theft and unauthorized access
• Simplify retrofits with flexible power options (12VDC or 18–35VAC/DC) for fast installation on existing gate operators
• Improve range and reliability using the external 8" whip antenna and robust two-piece aluminum housing for outdoor use
• Reduce administrative overhead by storing up to 15 high-security or 31 standard remote codes for multi-user sites
• Seamlessly integrate with LiftMaster remotes and keypads to maintain consistent access control across properties
• Configurable momentary or constant contact output and DIP switch compatibility for versatile control and monitoring setups