State of Maryland Radio Reference

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Go to a County

County pages contain radio communications information for all agencies and services within a County

Frequencies for Maryland public safety agencies

Metro area pages are a collection of links to county and agency information for a defined Metro area.

Misc areawide frequencies in Maryland.

Please also see our United States nationwide frequencies page here.

First Responders Interoperable Radio System Team (FIRST)	Project 25 Phase II
Joint National Capital Region	Project 25 Phase I


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