A BDA (Bi-Directional Amplifier) is an important part of a DAS (Distributed Antenna System) used to pick up wireless signals in areas with weak or no coverage. These areas are known as "dead zones". Many of these areas occur in basements, tunnels, atriums, outdoor areas or any place outside the range of the signal source. 

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Today's codes and standards require all buildings to have approved radio coverage for emergency responders within the building, based on the existing coverage levels of the public safety communication systems of the jurisdiction at the exterior of the building.

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To determine whether existing radio coverage is adequate, a survey must be preformed.

 

Life Safety Systems have FCC GROL trained technicians to perform surveys and install BDA systems.