The private wireless industry’s FCC-certified Business/Industrial and public safety frequency advisory committees, in collaboration with the Land Mobile Communications Council (LMCC), adopted an addendum to its frequency selection procedures for the 470-512 MHz (T-Band). The amendments update 1997 analytical procedures to accommodate both the deployment of new narrow band technologies and to mitigate the potential for interference to incumbent operations. Over the past twenty years, new narrowband technologies have been developed by equipment manufacturers having emission designators at or less than 7.5 kHz that may be licensed on the original 25 kHz channels, on the 12.5 kHz offset channels, or on channels offset by both by 6.25 kHz. The amendments may be viewed on the LMCC’s website.

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