RFSTUF

Channelized Communications
04.02.2010 by Andrew M. Seybold

The Following is a copy of an email I sent to FCC Commissioner Robert M. McDowell. I have reprinted it below because it helps to explain why channelized communications systems are and will continue to be needed by first responder and other two-way radio (Land Mobile Radio) systems for years to come. This is one of the most difficult subjects to explain to someone whose only experience with wireless is the use of a cell phone for voice and other services. Today's cell phone systems, and those being built out as next-generation systems are not capable of providing the types of services discussed below.

I read with interest your comments regarding the 24 MHz of public safety spectrum at 700 MHz; and your belief that the spectrum set-aside for channelized communications should be converted to broadband spectrum. Apparently this is one of the reasons you seem to favor...