FCC Issues Notice on Narrowbanding in 150-174 MHz, 421-470 MHz Bands
Since the FCC’s narrowbanding requirement took effect Jan. 1, 2013, all VHF/UHF industrial/business and public safety radio pool licensees in the 150-174 MHz and 421-470 MHz bands are required to operate on channels with a maximum bandwidth of 12.5 kilohertz…
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"or equivalent efficiency," the Wireless and Public Safety bureaus said in a Wednesday public notice. Wideband-only operation “absent a waiver is no longer permitted,” the bureaus said. Because wideband operation is no longer permitted, “the Bureaus now dismiss applications to renew 150-174 MHz and 421-470 MHz band licenses that list only wideband emission designators unless (a) the application also proposes to modify the license by replacing the wideband emission designator(s) with narrowband emission designator(s), (b) the applicant certifies that the station equipment meets the narrowband efficiency standard, or (c) the licensee has been granted a waiver of the January 1, 2013 deadline for that station,” the PN said. Starting Feb. 16, the bureaus said, they're extending the policy to cover all private land mobile radio license applications in the 150-174 MHz and 421-470 MHz bands that list only wideband emission designators.