The 1837 90 Series stores up to 3000 phone numbers and 8000 device codes and can be expanded to control up to 48 wired access points with optional Tracker Expansion boards (up to 24 wirelessly). The 90 Series housing offers a streamlined look, has enhanced locking and weather sealing and provides easy internal installation of optional components such as a card reader, LCD heater and TCP/IP adapter for a direct internet connection.
| Make | Doorking |
|---|---|
| Manufacturer | DoorKing, Inc. |
| Model code | 1837 - 90 Series |
| Type of Kit/ System | Keypad & Audio |
| Panel Material | Stainless steel faceplate, Galvanized steel sub-plate, Metal keypad |
| No of User Codes | 3000 (4-digit) |
| Environmental Specifications | Operating Temperature oC: -12 ~ +62 C (10 ~ 145 F) |
| Electrical Specifications | Voltage: 16 V AC |
| Additional info |
The 1837 90 Series stores up to 3000 phone numbers and 8000 device codes and can be expanded to control up to 48 wired access points with optional Tracker Expansion boards (up to 24 wirelessly). The 90 Series housing offers a streamlined look, has enhanced locking and weather sealing and provides easy internal installation of optional components such as a card reader, LCD heater and TCP/IP adapter for a direct internet connection. |