The Doorking 1815-703 is a genuine OEM replacement part — Adapter Null Modem DB9 M/M.
Designed for the DoorKing 1815 access control reader, this factory-original component ensures correct fit and reliable performance. Installing genuine DoorKing parts protects your operator warranty and avoids the compatibility problems common with aftermarket substitutes.
In stock and ready to ship from GateHouse Supplies. Contact us for compatibility questions or bulk quantity pricing.