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ARTICLE · 17 MAY 2007

Get Ready For Land Mobile Narrowbanding

If you have any radio systems operating in the 150-174 MHz or 421-512 MHz private land mobile radio bands, you should begin to plan now for the mandatory conversion to "narrowband" technologies. On March 22, 2007, the U.S. Federal Communications Commission (FCC) confirmed the timetable to govern the transition, thus removing a few uncertainties as to when licensees must stop using wider bandwidth technologies.

United StatesIntellectual Property
Shirley Fujimoto
Shirley Fujimoto
Christine Gill
Christine Gill
Keith McCrickard
Keith McCrickard
Jeffrey Sheldon
Jeffrey Sheldon
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If you have any radio systems operating in the 150-174 MHz or 421-512 MHz private land mobile radio bands, you should begin to plan now for the mandatory conversion to "narrowband" technologies. On March 22, 2007, the U.S. Federal Communications Commission (FCC) confirmed the timetable to govern the transition, thus removing a few uncertainties as to when licensees must stop using wider bandwidth technologies.

Although the mandatory conversion date is a few years away, licensees should begin planning now. They should review their current frequency assignments, longer term communications requirements and equipment capabilities in order to develop a viable migration plan.

Background

The narrowbanding mandate has its origins in the land mobile "refarming" proceeding dating back to 1989. In addition to making certain structural changes in the rules governing the private land mobile radio services, the FCC initiated steps to introduce use of more spectrum-efficient radio equipment in

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