FORMERLY MCKINNEY DOOR SOLUTIONS & AMERICAN DOOR PRODUCTS - NOW UNITED AS AMERICAN DOORS.
A system enabling door unlocking from a distance via electrical signal, typically part of an intercom or access control system. Remote release allows controlled entry without approaching the door.
Components include a release device (electric strike or electromagnetic lock), control station (intercom, keypad, guard station), and connecting wiring or wireless link. Video intercoms add visual verification before release.
Applications include apartment buildings, office reception, gated entries, and any location requiring visitor verification. Integration with access control provides audit trails. Related: electric strike, electronic lock. Shop access control systems.