What exactly are you concerned about? Someone using an unlicensed band
for human life-safety equipment or that they're using a piece of
spectrum that was set aside for unlicensed radio usage?
There are several rf bands that do not require licensing, they are my
home portable phone(900Mhz), and my networking ISM(2.4Ghz) and UNII-
based(5.2Ghz) network links.
> From: Mark Tyler <email@example.com>
> Date: Wed, Sep 16, 2009 at 5:45 AM
> To: firstname.lastname@example.org
> this device is being used by firefighters.
> It transmitts a spread sprectrum signal around 909Mhz.
> It has about 1 mile range.
> When I go to
> T pass multichannel monitoring system states no license required.
> It does not talk about the frequency or what other services that
are on this band.
> I do not operate 33cm but do not want to loose it; like we did
RFI mailing list