The following is a brief overview of NFPA coverage requirements and public safety signal booster system requirements. Local Authority Having Jurisdiction (AHJ) may have more stringent requirements and must be consulted prior to deployment.
Critical Area Coverage: 99%
99% (NFPA 1221 220.127.116.11) coverage required in Critical areas:
- Emergency Command Center(s).
- Fire Pump Room(s).
- Exit Stairs.
- Exit Passageways.
- Elevator Lobbies.
- Standpipe Cabinets.
- Sprinkler Sectional.
- Valve Locations.
General Area Coverage: 90% to 95%
General building areas should have (90% NFPA 1221 18.104.22.168) and (95% "all floors of the building", IFC 510.5.3, Draft 2018 edition) coverage.
Signal Booster Components:
Boosters should have FCC certification prior to installations.
Analog and digital communications.
All signal boosters shall be compatible with both analog and digital communications simultaneously at the time of installation.
All signal booster and components shall be contained in NEMA-4 or 4X type enclosure(s).
Donor Antenna Isolation.
Isolation shall be maintained between the donor antenna and all inside antennae. A signal generator is recommended to test for Isolation.
Dedicated Monitoring / Annunciator Panel:
A dedicated monitoring panel shall be provided within the emergency command center to annunciate the status of any signal booster(s). The monitoring panel shall provide visual and labeled indication of the following for each signal booster:
- Normal AC power.
- Signal booster trouble.
- Loss of normal AC power.
- Failure of battery charger.
- Low-battery capacity.
- Antenna failure.
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