While the 40M band beats the curvature of the earth quite reliably, I would expect that they are doing something in the UHF band if they plan on deploying this in licensed cell-phone frequencies.
Also the amateur band lets them transmit at much higher power than the ISM bands:
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So, 5.8GHz or 2.4GHz or 900MHz, or what? Are the 40s (MHz) still available?
I wonder how this beats the curvature of the earth, or is it being bounced of the ionosphere, or penetrating through the earth?
It is either a lost work of Tesla or a bad version of this Douglas Rushkoff novel...
http://www.amazon.com/gp/product/1887128905/ref=as_li_ss_tl?...
Amateur, not unlicensed:
http://en.wikipedia.org/wiki/Amateur_radio_frequency_allocat...
While the 40M band beats the curvature of the earth quite reliably, I would expect that they are doing something in the UHF band if they plan on deploying this in licensed cell-phone frequencies.
Also the amateur band lets them transmit at much higher power than the ISM bands:
http://edocket.access.gpo.gov/cfr_2010/octqtr/47cfr15.245.ht...