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Articles

FCC Urged to Publicize Narrowbanding Mandate

March 5, 2009

Articles

FCC Urged to Publicize Narrowbanding Mandate

March 5, 2009

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The Land Mobile Communications Council (LMCC), a coalition representing the major land mobile trade associations, recently asked the Federal Communications Commission (FCC) to issue a public notice reminding all Part 90 land mobile radio system licensees of the need to migrate to narrowband (12.5 kHz) technology by January 1, 2013. On February 27, 2009, LMCC provided the FCC with draft text for a public notice, suggesting that all licensees should be required to apply for license modification and confirm that they have implemented narrowbanding by the 2013 deadline, or face automatic license cancellation.

By January 1, 2011, all new systems or expansions of existing systems, at 150-174 MHz or 420-512 MHz, must employ narrowband technology (12.5 kHz per voice channel or 4800 bps per 6.25 kHz of bandwidth). By January 1, 2013, all systems in these bands must operate with narrowband technology. The FCC indicated it will issue an advisory public notice by the end of 2009 but has not decided how the narrowbanding mandate will be enforced in practice.

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