DoorKing 1830-404 Memory Chip 3000 Capacity control-board helping maintain a firm locked

helping maintain a firm locked condition at the gate when properly installed and aligned

With its durable components and compatibility with All-O-Matic gate operators

Premium UHMW Plastic: Resistant to wear

It's available in black or gray to match different installation environments

and environmental conditions

DoorKing 1830-404 Memory Chip 3000 Capacity control-board helping maintain a firm lockedReplacement Memory Chip for DoorKing Access Systems The DoorKing 1830 404 Memory Chip is a direct replacement for the legacy 1830 402 and 1837 147 chips, offering enhanced compatibility and expanded capacity. Designed for DoorKing telephone entry and access control systems, this chip supports models 1833, 1835, 1837, and 1838 144. With a 3000 entry capacity, the 1830 404 ensures your system can handle larger databases, making it an essential upgrade