DoorKing 1830-404 Memory Chip 3000 Capacity control-board and environmental conditions

and environmental conditions

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

ensuring seamless integration with LAN or internet

600 lbs also supported with adjustments)

DoorKing 1830-404 Memory Chip 3000 Capacity control-board and environmental conditionsReplacement 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