Method and apparatus for a security alert system for communicating a security event to users by means of a full mesh network topology. The mesh network includes a plurality of remote units, receiver units, emergency box units, and teacher/hallway units strategically placed throughout a facility. Each remote unit has a plurality of buttons thereon wherein a button is designated for a specific type of problem, for example, an intruder, a gun carrying intruder, a medical emergency, or a fight. If a user presses one of the designated buttons the other members of the mesh network, including a receiver unit being monitored by security personnel, are immediately notified of the type and the location of the problem within the facility.