Doorking 1837-147 Memory Card For 1837 smart-controller Trusted by security professionals and

Trusted by security professionals and perimeter control specialists

XT Series Radio Callbox connects directly to operator auxiliary output for remote activation

it supports individual gate leaves weighing up to 1

this chain ensures resistance to rust and smooth performance

Doorking 1837-147 Memory Card For 1837 smart-controller Trusted by security professionals andDoorKing 1837 147 Memory Card Replacement Now Ships as 1830 404 The DoorKing 1837 147 Memory Card was designed for use with DoorKing 1837 telephone entry systems to manage and store access control data. This part has been discontinued and replaced by the 1830 404 Memory Chip, which offers enhanced performance and a 3000 entry capacity. When ordering the 1837 147, you will receive the 1830 404, the official replacement, ensuring seamless compatibility