No property owner should take the issue of emergency communication within a building lightly. During a real fire, medical emergency, security threat, or rescue, first responders may have to communicate with their teams while traversing stairwells, basements, utility rooms, corridors, and other hard-to-reach areas. A building can look like it's all done from the outside, but when you do radio testing; you can find coverage gaps that are hidden. Careful planning prevents delays, last-minute fixes, and safety concerns. This article will discuss what property owners and facility managers need to look for before selecting this type of emergency communication support.