LiftMaster 41A3504 Antenna Extender Kit

Restore dependable remote range and secure garage access with the LiftMaster Antenna Extender Kit, a direct-replacement antenna cable solution for garage door openers. This antenna cables kit (model 41A3504) replaces worn or damaged antenna leads to improve signal reception and reduce missed commands from remotes or wireless monitoring gear. The complete kit includes a replacement antenna, coaxial cable and extension bracket for an OEM-style fit, and is compatible with a variety of LiftMaster and Chamberlain garage door opener models. Installing the 41A3504 is straightforward, helping technicians and facilities teams minimize service time and maintain reliable connectivity for security and access control systems. By restoring proper antenna placement and high-quality coax connections, the kit supports better remote performance for integrated surveillance, monitoring and networking of garage access points. Ideal for service technicians, property managers and security integrators who need a quick, durable fix. Order the LiftMaster Antenna Extender Kit to quickly restore range and ensure continuous, secure operation of your garage door system.

• Restores reliable remote range: replaces damaged antenna to improve signal strength for consistent garage door control
• Complete OEM-style kit: includes antenna, coaxial cable and extension bracket for a fast, all-in-one replacement
• Easy, time-saving installation: designed for direct fit with LiftMaster and Chamberlain openers to reduce downtime
• Durable components for long life: quality coax and bracket withstand typical low-voltage installation environments
• Supports security and monitoring systems: improves remote connectivity for garage access control and integrated surveillance