Request a Quote
For DoorKing 1816 Intercom System Decoder board(s) are required if the system expands beyond five (5) relay boards One (1) decoder board is required for every eight (8) relay boards beyond the first five (5) relay boards.
Total Security Warehouse is a wholesale distributor of the highest quality, most widely recognized brands of access control products available on the market.
Become a Dealer
5100 W Brown Deer RdBrown Deer, WI 53223Phone: 262-649-5111Email: firstname.lastname@example.org