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Public Safety ERRCS / BDA Systems

All Services

Business Hours

  • Mon – Fri: 8:00 AM – 6:00 PM
  • Saturday: 9:00 AM – 2:00 PM
  • Sunday: Closed
  • Emergency: 24 / 7

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+1 (305) 906-5182
Public Safety ERRCS / BDA Systems

Public Safety ERRCS / BDA Systems

SCS Technologies designs, installs, tests, and certifies Emergency Responder Radio Coverage Systems (ERRCS) — also known as Public Safety DAS or BDA systems — that ensure police, fire, and EMS personnel maintain reliable two-way radio communication throughout your building. Modern construction materials such as low-E glass, concrete, and metal can block public safety radio signals, and fire codes including IFC Section 510, NFPA 72, NFPA 1225, and NFPA 1221 now require adequate in-building radio coverage in most new and renovated commercial structures.

Our turnkey approach covers the complete project lifecycle: an initial RF coverage survey (grid testing) to measure existing signal levels, system design and engineering, equipment procurement, installation of the Bi-Directional Amplifier (BDA), Distributed Antenna System (DAS), donor antenna, and battery backup, followed by commissioning and acceptance testing witnessed by the local Authority Having Jurisdiction (AHJ).

  • RF coverage / grid surveys and signal-strength benchmarking
  • ERRCS / BDA / Public Safety DAS design and engineering
  • Class A and Class B BDA installation with NEMA 4 enclosures
  • Donor antenna alignment and distributed antenna cabling
  • UL 2524-listed equipment and 12/24-hour battery backup
  • AHJ coordination, acceptance testing, and code compliance documentation
  • Annual inspection, testing, and maintenance to keep systems compliant

SCS Technologies coordinates directly with your local fire department and radio system operator to deliver a fully code-compliant solution — and provides the ongoing annual testing and maintenance many jurisdictions require to keep your certificate of occupancy valid.

Benefits With Our Public Safety ERRCS / BDA Systems Service

  • Industry-certified technicians with nationwide coverage
  • On-budget and on-time project delivery since 1999
  • MBE-Certified minority business enterprise
  • 24/7 emergency support available

Frequently Asked Questions

An Emergency Responder Radio Coverage System (ERRCS) — built around a Bi-Directional Amplifier (BDA) and a Distributed Antenna System (DAS) — boosts public safety radio signals inside a building so firefighters, police, and EMS can communicate during an emergency. Modern building materials often block these signals, and fire codes such as IFC Section 510 and NFPA 1225 require adequate in-building coverage in most new or renovated commercial buildings.
The primary codes are International Fire Code (IFC) Section 510, NFPA 72, NFPA 1225 (formerly NFPA 1221), and NFPA 1. The exact requirements — including minimum signal strength and coverage percentage — are set by your local Authority Having Jurisdiction (AHJ), typically the fire department. SCS designs every system to meet the specific code edition your jurisdiction enforces.
We perform an RF coverage survey (grid test), dividing the building into a grid and measuring public safety radio signal strength in each area. If coverage falls below the code-required threshold, an ERRCS/BDA system is needed. We provide a detailed report documenting the results either way.
A typical system includes a Bi-Directional Amplifier (BDA), a donor antenna aimed at the public safety radio tower, a Distributed Antenna System (DAS) of interior antennas and coaxial/fiber cabling, a UL 2524-listed enclosure (NEMA 4), and a code-required battery backup providing 12 or 24 hours of standby power.
Yes. SCS coordinates directly with your local AHJ and the public safety radio system operator throughout the project — from frequency authorization and design approval to witnessed acceptance testing. We deliver full compliance documentation needed for your certificate of occupancy.
In most jurisdictions, yes. Fire codes require ongoing inspection and testing — typically annually — to confirm the system, batteries, and signal levels remain compliant. SCS offers scheduled annual testing and maintenance programs so your system stays certified year after year.
Yes. With offices in Florida, South Carolina, and Texas and a nationwide certified technician network, SCS manages single-building and multi-site public safety coverage projects under one point of contact, ensuring consistent, code-compliant results across all locations.