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What is a Bi-Directional Amplifier (BDA) System?

What is a Bi-Directional Amplifier (BDA) System?

In the event of an emergency, you want to be sure first responders are able to communicate with each other inside your building and with their command staff outside the building, through the use of their two-way radios. Unfortunately, many buildings have areas where the signal strength for these systems isn’t strong enough to ensure they’ll work properly.  This can occur due to the building materials, architectural design, or just the geographic location of the property weakening the radio signal strength. As a result, buildings that do not have complete coverage in place are at risk of emergency responders being unable to communicate.   

A Bi-Directional Amplifier (BDA) System is a signal-boosting solution designed to enhance in-building radio frequency (RF) signal coverage for public safety radios. These systems provide buildings with a reliable signal for First Responders enhancing the safety of your building, assets and occupants.

Two Technologies in BDA Systems

There are two types of BDA Systems: two-way radios and a cellular solution.

Two-way radios provide a high-power signal for long-term reliability and efficiency. These strong radio signals provide a fast response and increase the safety of first responders. Therefore, improving the safety of your building and its occupants.

Cellular Solutions: The objective for any BDA System is to prevent any “dead zones” in your building. A cellular BDA solution strengthens reception in buildings where dead zones exist or where cellular coverage isn’t reliable.

Contact AFA about your BDA needs

AFA can provide custom designed BDA Systems for your buildings specific composition. Our technicians work through a building’s challenging conditions like, dead spots, the formations of the building and signal interferences. This supplies you with fast and efficient reception even in places like tunnels, basements, and stairwells. AFA’s technicians have extensive experience and can overcome any of these challenges. AFA takes pride in its responsiveness and reliable services so customers can feel confident that their building is protected.

Give AFA a call Today at 877-232-1873 for your FREE consultation to explore the right BDA/DAS systems to get your facility compliant and fully operational.


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