PHOENIX — An East Valley emergency radio network will spend $1.8 million to mesh its fire communications with those used in Phoenix and other parts of the Valley and address long-standing complaints from firefighters who felt the competing systems compromised their safety.
http://www.azcentral.com/community/mesa/articles/20130826phoenix-fire-radio-systems-unified.html
http://www.azcentral.com/community/mesa/articles/20130826phoenix-fire-radio-systems-unified.html