DoorKing 1837 90 Series Telephone Entry System

DoorKing 1837 90 Series Telephone Entry & Access Control System The DoorKing 1837 90 Series is the ultimate telephone entry and access control solution for medium to large-scale applications. Featuring an advanced 8-line LCD display and comprehensive access control capabilities, this system combines robust functionality with modern cloud-based management. The streamlined 90 Series housing offers enhanced security, weather sealing, and easy installation of internal accessories, making it the ideal choice for apartment complexes, gated communities, commercial buildings, and industrial facilities requiring sophisticated access management. Advanced Communication Features 8-line LCD display with large 1/2-inch characters for easy viewing True full-duplex communication for clear conversations One-touch CALL button for simplified operation Stores up to 3,000 telephone numbers and names (15 characters max) Multiple connection options: Cellular 4G-LTE, VoIP, or POTS Live streaming and real