DoorKing 1837 90 Series Telephone Entry System
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DoorKing 1837 90 Series Telephone Entry System

$3,999.99
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DoorKing 1837 90 Series Telephone Entry System - Enterprise-Grade Access Control Solution The DoorKing 1837-90 Series is a comprehensive telephone entry and access control system designed for large-scale applications. With its expandable architecture, elevator control capabilities, and advanced anti-pass back features, this system provides complete access management for high-rise buildings, large residential complexes, and enterprise facilities. System Capacity 3,000 telephone numbers and names 8,000 device (card) codes 3,000 four-digit entry codes 8,000 event transaction buffer 31 security permission levels 8 hold-open time zones 32 holiday schedules Display & Interface Features Eight-line LCD directory display 1/2-inch character height One-touch "CALL" button Large A-Z scroll buttons Internally-lit LED keypad Customizable welcome message Access Control Capabilities Controls up to 48 wired entry points Alternative 24-point wireless control Three anti-pass back configurations:

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