Building Door Entry Buzzer 28-Unit Intercom System


Building Door Entry Buzzer 28-Unit Intercom System


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Include 28-Voice Only Sub-stations With Option To Integrate Video – Replacement Intercom For Existing Building Entry With More Functi

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ZDL-A2028 is a MutiTenant Building System designed to route guest calls to specific extension [s], with support for up to 9999-extensions. Very simple efficient 4-Wire Low-Budget system that easily replaces existing system without biting too hard into pockets. System is extremely flexible when it comes to ideal cable required to attain good install, it support Cat5e/6 Cable or 22/18/14-Guage Cable. System sound is real clear and loud with no distortion. 

System Features

– Rings Specific Interior Extension [s] When Called From The Front Door

– Video Extension Addition Support Compatible Video Monitor – ZDL-A77 Intercom Monitor

– Included Voice Only Interior Audio Panel Support Hands-free Communication & Unlock Front Door

– Press Talk To Monitor Door Activities With Option To Unlock Attached Electronic Lock Anytime

– Interior Extension Displays Current Date/Time With Current Temperature

– Interior Extension Settable Onboard Alarm & Snooze Functions

– Added Security With Use Of Smart Key-cards “Key-Fobs/Cards” For Access At The Door

– Even More Security With The Use Of Code [4-6 Digit Code] For Access At The Door 

– Code Or Key-fob For Mail-Man/Lady Access

– Front/Rear/Side Entrance Doors And Up To 4-Doors Support [Requires: Signal Splitter]

– Flush Mounted Door Station / Interior Extensions [Brackets Included]

Application Scope

Great for Multi-tenant Apartment Buildings with 3-Separate apartments replacement.

Manufacturer Warranty

1-Year Equipment Replacement

Additional information

Weight 40 lbs
KeyCard Type

EM/ID RF Proximity Card

What\\'s Included With ZDL-A2000 Systems

ZDL-A3000 Door Panel With Optional Camera, ZDL-A600 In-house Audio Extension, 18VDC Main Power Supply, Mounting Brackets & Screws


500-Feet In Lenght

22-AWG 2-Conductor (Unshielded)

Bare Copper Conductors with PVC Outer Jacket. 

What’s In The Box?

1-500-Feet 22AWG 2-Conductor Cable


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