Doorking Surface Mount Telephone Entry System | DKS-1837-080 tokens Enhanced Control: The kit provides

Enhanced Control: The kit provides enhanced control over exit devices

and hardware needed to replace the chain drive gears

RBtec IRONCLAD Perimeter Protection Kit

The receiver is indoor-rated only

Battery Back-Up (Large Enclosure) | BFT-KLEBR93531705

Doorking Surface Mount Telephone Entry System | DKS-1837-080 tokens Enhanced Control: The kit providesDoorking Surface Mount Telephone Entry System DKS 1837 080 The 1837 80 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 80 Series is available in Surface or Flush mount styles. 1837 is also available in the new 90 Series housing, click the button below to view the 90 Series product page. The Model 1837 is an ideal