DoorKing 1877-010 Telephone Line Surge Suppressor gate-operator-part Wire Lead Antenna – Enhances

Wire Lead Antenna – Enhances signal reception for reliable long-range performance

Keys are non-returnable and eligible for exchange only

High-Performance

Elevate your gate system’s safety and compliance with the LiftMaster S505AL Small Profile Monitored Safety Edge (5ft)

Temporary Access Codes: Issue up to 10 temporary codes with defined start and end dates for guests or contractors

DoorKing 1877-010 Telephone Line Surge Suppressor gate-operator-part Wire Lead Antenna – EnhancesTelephone Line Surge Suppressor for DoorKing Systems The DoorKing 1877 010 Telephone Line Surge Suppressor provides critical protection against voltage spikes and surges that can damage telephone entry and access control systems. Designed for use with DoorKing telephone based controllers, it safeguards communication lines by filtering and grounding transient surges caused by lightning or power fluctuations. Key Features Genuine DoorKing surge