Communications

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DoorKing 1833-010 Control Board PCB
Regular price $3,558.80
DoorKing 1830-403 Memory Chip P/N for 1834 Model 3000 Telephone Numbers
DoorKing 1830-403 Memory Chip P/N for 1834 Model 3000 Telephone Numbers
DoorKing 1830-315 TTY Add-On Telecommunication Device Kit for 1830 Series Entry
DoorKing 1819-080 1-Button Voice Telephone Communication
DoorKing 1818-040 72" Connecting Cable RS-232 for Hook-Up PC System
DoorKing 1817-190 Oval Speaker
DoorKing 1817-190 Oval Speaker
Regular price $80.64
Doorking 1816-082 Main Control Cabinet
Doorking 1816-082 Main Control Cabinet
Regular price $3,858.40
Doorking 1816-080 Large Main Control Cabinet
DoorKing 1814-200 90 Series Flush Mount Kit, Stainless Steel
DoorKing 1812-145 High Resolution Camera Kit, Transformer, Mounting Bracket, and Wire Harness

Communications Systems & Equipment

Browse communications systems and equipment for commercial, institutional and residential communication projects. This collection covers business communications, intercom, emergency communications and related connectivity products for projects ranging from new installations to targeted upgrades. Start with the function the product must perform, then compare the available options against the rest of the system so the final specification stays practical and compatible.

Communications: What to Check Before You Buy

When comparing options, review system purpose, endpoint count, network or wiring method, power, platform compatibility and expansion needs. Existing systems should be matched carefully before ordering, especially when a replacement product must connect to older equipment. Confirm manufacturer documentation and project requirements for any feature that affects compatibility, power, mounting or system performance.