San Diego County Mutual Aid

San Diego County Mutual Aid is a radio system used in San Diego County, California, for coordinating emergency and public safety communications among various agencies. It operates on designated mutual aid frequencies to ensure seamless communication during large-scale incidents, disasters, or situations requiring multi-agency collaboration. The system is part of the region's broader emergency management strategy and is used by law enforcement, fire departments, medical responders, and other public safety entities. It plays a critical role in achieving interoperability and rapid response during crises.