...Google proposes setting aside three channels for their exclusive use
plus incorporating beacons into the microphones that would send a
clear, definitive signal warning all other devices to stay out of its
spectrum.
But some high-tech companies fear that Google’s proposal might
prompt the FCC to drop its investigation into spectrum sensing
technology and therefore eliminate a large part of the potential market
for white space devices. “The problem is that requiring geo-location
and Internet access makes devices more expensive, and it effectively
prohibits a number of applications… more
