What Is an ERRCS System?
An Emergency Responder Radio Communication System (ERRCS), also called an ERCES or public safety DAS, extends first responder radio coverage to every part of a building. It captures the outside public safety signal, boosts it, and carries it through the building in both directions, past concrete, steel and underground levels that block radios.
A typical ERRCS installation includes:
- Donor antenna on the roof, aimed at the nearest radio site
- Bi-directional amplifier (BDA) to boost the signal
- Distributed antennas and cabling on every floor
- Backup power and fire alarm monitoring
Unlike a cellular DAS, which carries phone and data service, an ERRCS carries public safety radio frequencies and must meet fire code.
Why ERRCS Installation Is Critical for Building Safety
Firefighters, police and EMS coordinate every emergency by radio. When those radios fail inside a building, response slows and responders are put at risk. Professional ERRCS installation closes those dead zones.
- Safer responders: they can call for help from stairwells, basements and mechanical rooms
- Faster response: teams on different floors share updates in real time
- Better protection for occupants: responders find people who need help faster
- Code compliance: required under IFC Section 510 before a Certificate of Occupancy is issued
Our ERRCS Installation Process
Every ERRCS installation follows the same proven process, from the first coverage test to final approval with your fire marshal.
Learn more about RF grid testing and ERRCS design.
Buildings That Often Require ERRCS Systems
Size, height and construction materials all decide whether outside radio signals can reach inside a building. These building types most often need an ERRCS:
- High-rise buildings: height and dense construction block signals to upper and interior floors
- Parking garages and basements: concrete and below-grade levels weaken radio coverage
- Hospitals and healthcare facilities: complex layouts and shielded rooms create dead zones
- Schools and campuses: multiple buildings need consistent coverage for responders
- Warehouses and industrial facilities: metal structures and racking block signals
- Government and multifamily buildings: often required by local fire code
Code Compliance and Engineering Expertise
ERRCS systems are life safety equipment, so they must meet strict code requirements. Most jurisdictions base their rules on Section 510 of the International Fire Code (IFC) and NFPA 1225, then add local amendments. Requirements typically cover:
- Minimum signal strength and coverage, including 99% coverage in critical areas like stairwells and fire command rooms
- Backup power, enclosures and fire alarm monitoring
- FCC signal booster rules and radio network approval
- Acceptance testing and annual testing
- Qualified designers, installers and testers
RFE Communications’ team holds the FCC GROL, NICET certification and manufacturer certifications that many jurisdictions require. We confirm your local Authority Having Jurisdiction’s requirements before ERRCS design begins, so your system passes inspection the first time and your Certificate of Occupancy stays on schedule.
Work With RFE Communications for ERRCS Installation
RFE Communications is a distributor, engineering firm and installer in one, so a single team handles your ERRCS (also called ERCES) project from the first grid test to final approval with your fire marshal. That means fewer handoffs, faster approvals and one point of contact.
- 9 years in emergency responder and wireless communications
- 1,000+ projects completed in all 50 states
- FCC GROL and NICET-certified designers and installers
- In-house permitting and AHJ coordination
We work with building owners, developers, general contractors and engineers on new construction, renovations and existing buildings.