Raynool Blog
By Tony Huang | 22 February 2023 | 1 Comments

When Do You Need A Public Safety DAS?

When Do You Need A Public Safety DAS?
There are a variety of emergency situations that can occur that would need first responder response with high performing radio coverage in a buildings. Crisis situations include but are not limited to fires, medical emergencies, security threats, or natural disasters. These are all crucial potential life or death situations where it’s imperative you supply first responders with as much help as you can provide for them to be able to succeed.
New building construction in particular can make for poor signals in first responders radio systems, not allowing them to reliably communicate with other emergency personnel inside or outside of the building. Areas such as elevators, garages, basements, and stairwells have even higher possibilities of being vulnerable spots, and detrimental in providing a strong signal strength. A Public Safety DAS can absolutely make all the difference in these life-threatening scenarios and enable a positive outcome. There are a variety of ways to go about the installation of a distributed antenna system for your building, and deciding when the right time to implement. Effectively you can plan the installation in tandem with the building design and construction to ensure the proper coverage. But during and post building construction are also possible times to install, because you have a different understanding of the needed coverage or where radio coverage signals could be weaker.
The tragic event of 9/11 unfortunately showed us what can happen when emergency responder’s in-building radio system coverage is not sufficient, proving unsuccessful communication in a dire situation. The heroic firefighters were trapped in the towers without any way to communicate with their team members their locations or that they needed help. Since that tragic event Public Safety DAS requirements and regulations have been adopted on the local, state and national level to ensure that first responder radio coverage, including law enforcement, fire, EMS and government employees – have dependable radio coverage in the event of an emergency.
The National Fire Protection Association (NFPA) and the International Fire Code (IFC) have new mandates requiring 700MHz and 800MHz radio coverage for modes of emergency communication in all buildings.

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