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