DoorKing 1830-402 3000 APB Memory for Single Memory Chip Systems

Get dependable access control restoration with the DoorKing Systems 1830-402 3000 APB memory chip, designed for single memory chip intercom systems. This intercom & entry accessory brings quick, field-ready replacement for units that rely on a single memory module, helping property managers and security integrators minimize downtime and maintain continuous monitoring. The 3k (3000) APB capacity supports larger entry lists and scheduling functions, and direct compatibility with DoorKing 1835, 1837, and 1838 models ensures straightforward swap-in installation. As an MPN 1830-402 replacement made in the US, it delivers the consistent build quality expected in professional security and surveillance applications. Ideal for gated communities, commercial access points, and multi-tenant buildings, this memory chip helps preserve system settings and access permissions without lengthy reprogramming. Keep your access control and monitoring systems reliable—add this DoorKing Systems memory module to your maintenance toolkit or order as a spare to streamline site service and repairs.

• Quickly restores single-memory access control to minimize system downtime
• Compatible with DoorKing Systems 1835, 1837, and 1838 intercom units for seamless replacement
• 3k APB memory capacity supports expanded entry lists and scheduling needs
• Direct-fit replacement (MPN 1830-402) simplifies maintenance and reduces installation time
• US-made component for consistent quality and reliable performance in security installations