Radio Communications of Charleston, Inc.

Radio Communications of Charleston, Inc.
Your Professional Wireless Solutions Provider

Thursday, November 26, 2009

Narrowbanding and it's affect on your radio systems

     Well, the FCC has done it again.   They have mandated that everyone convert to at least 12.5KHz bandwidth separation in their radio channels after 2013.   They are not allowing any new WB license processing after 2011.   Everyone probably knows that this is an effort to make more channels (effectively doubling or more) available to all.   The FCC is asking people to consider making the jump from 25KHz to 6.25KHz, quite a haul and quite a change.  You're equipment may not make it to the 12.5KHz much less the 6.25KHz bandwidth anyway.   So the question arises, when will the 6.25KHz become mandatory?   The FCC is reluctant to make that date at this time due to various technical circumstances and probably not knowing how the public may react.    My guess is that will probably be another 10 years to make that happen.   By then your equipment will be out of date again......hummmm.
Are you affected or have any questions for the readers?   Here is a link from the Manufacturing coordinators website that may help.   The concept is the same everywhere.   By the way, you're probably going to have some reduced range with the narrowbanding.....it usually results in about 3-6db difference.   That's about 5-10 percent radio coverage......
Good luck !  

http://www.mrfac.com/Mandatory-Narrowbanding.html
Until then, happy communicating...... 

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