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- Security Starts At The Door  -

Doorbell Repair Queens, NY:

Door BellDoor Chime Dual Door ChimeRound Doorbell ButtonSquare Doorbell ButtonDual Doorbell ButtonsIntercom Call StationApartment Intercom StationElectric Door Strike Doorbell Buzzer Electrical Power Supply

Residential        Commercial        Institutional        Industrial

Doorbell Buzzer System Repair

Intercom System Repair

Video Intercom System  Repair

Telephone Intercom System Repair


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Contact Unlimited Applications Security Company For a Cost Effective Intercom or Door Entry Solution:

We provide prompt professional service and you can rest assured that with over two decades of expertise in doorbell buzzer and door entry systems installation & repairs that you will be provided with a doorbell  repair solution which will be in service for years. 

All of our work is guaranteed and we stand behind every doorbell buzzer system repair or installation that we perform. We provide custom doorbell / buzzer system installation for home and offices owners to suit your needs from design to installation our priority is providing a cost effective and trouble free system repair or installation.

Our repair teams are highly trained and skilled to quickly troubleshoot and repair doorbell buzzer systems.

We provide intercom system and doorbell buzzer system repair and installation for residential and commercial property owners in  Queens, NY.

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LEE Doorbell Buzzer      Ring Smart Doorbell      Adams Rite



Serving the New York City Metropolitan Area and All Adjoining Counties

Unlimited Applications Security Company P.O. Box 300012 Jamaica, New York  11430

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