On January 1, 2013, the Federal Communications Commission (FCC) has mandated that all public safety and business industrial land mobile radio (LMR) systems operating in the 150-512 MHz radio bands must cease operating using 25 kHz efficiency technology and begin operating on channel bandwidths of 12.5 kHz or less, or that meet a specific efficiency standard, e.g., utilize two- or four-slot TDMA.
Click on the map on the right to find narrowbanding assistance in your state. NPSTC has assembled local, knowledgeable contacts from the State's Interoperability Coordinators, the Department of Homeland Security's (DHS) Office of Emergency Communications (OEC) Regional Coordinators, local public safety frequency advisors, and National Regional Planning Council (NRPC) members, plus additional persons who can provide you information on the narrowbanding process.
Who Is Affected
Certain Interim Narrowbanding Deadlines Extended
Narrowbanded yet?...
Current National Maps of Narrowbanding License Status
What You Need to Do Now
Narrowband Summary Tracker
Click on Map for State-Specific Narrowbanding Assistance
Support Provided by the US Department of Homeland Security's Science and Technology Directorate, Office for Interoperability and Compatibility (OIC),
and the National Protection and Programs Directorate, Office of Emergency Communications (OEC)

Points of view or opinions expressed in this site are those of the originators and do not necessarily represent the official position or policies of the U.S. Department of Homeland Security
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