Introducing the DoorKing 1834-010 Entry Circuit Board, a reliable solution for managing access in various settings such as apartment complexes, gated communities, and commercial buildings. This advanced system features a built-in electronic directory, making it easy for residents and visitors to connect. The large A-Z-CALL buttons ensure effortless operation, while the included PC programming and transaction analysis software provide comprehensive control. With versatile connectivity options—Cellular, Ethernet, or copper POTS lines—you can customize your setup to fit your needs. Plus, enjoy peace of mind with a 2-year limited factory warranty. Upgrade your access control system today and experience the convenience and security it offers!