Expansion & Add-On Components
Expansion & Add-On Components contains a large selection of products to customize and enlarge your multi-point access control system. There are over 300 products in this category, so it is best to use the filters to narrow down your search! If you need help with a specific product please give us a call at (888) 818-4283.
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DoorKing 1830-140 Isolation TransformerGD# DKS-1830-140 MFR# 1830-140• Reduce or Eliminate Noise From Troublesome Phone Lines
• Use with 1802, 1803, 1808, 1810, 1812 Plus & 1812 Access Plus Systems
• Installing within TES Housing Recommended
• All Products Require a 3-5 Day Lead Time See More Details$90.00 -
DoorKing 1830-141 Isolation TransformerGD# DKS-1830-141 MFR# 1830-141• Reduce or Eliminate Noise From Troublesome Phone Lines
• Use with 1812
• Installing within TES Housing Recommended
• All Products Require a 3-5 Day Lead Time See More Details$90.00 -
DoorKing 1830-142 Isolation TransformerGD# DKS-1830-142 MFR# 1830-142• Reduce or Eliminate Noise From Troublesome Phone Lines
• Use with 1834, 1835, 1837
• Installation within TES Housing Recommended
• All Products Require a 3-5 Day Lead Time See More Details$90.00 -
DoorKing 1800-050 Telephone Test KitGD# DKS-1800-050 MFR# 1800-050• Telephone Test Set Tec 1016
• All Products Require a 3-5 Day Lead Time See More Details$314.00