1837 90 Series Telephone Entry System

• Best Suited for Applications Requiring Complete Access Control for up to 48 Entry Points, Including Elevator Control
• Provides both resident and visitor Access Control into and within apartment buildings, gated communities, condominiums, office buildings, factories, and industrial sites.
• PC Programmable – Programming and Transaction Analysis Software Available for Download at doorking.com/software
• Voice and Data Programming Connection via Cellular, Internet, or Copper POTS Lines
• Built-In Electronic Directory
• Large, Easy-to-Use A-Z-CALL Buttons
• Resident Access Control is provided by means of Cards, Digital PIN Codes, or Wireless Transmitters.
• 2-Year Limited Factory Warranty

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