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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: Frank A. Coluccio who wrote (10598)2/28/2001 2:54:22 AM
From: Bernard Levy  Read Replies (1) of 12823
 
Hi Frank:

Ultra wideband actually came from radar, where to
be called ultrawideband, a signal's BW had to
exceed 25% of the carrier frequency. Paradoxically,
UWB radios use carrierless pulses (although these
pulses take often the form of monocycles). The data
rates contemplated for UWB radios (40+Mbps) fall short
of gigabit Ethernet radios, so we probably still have
the nomenclature wideband < ultrawideband < broadband.

Best regards,

Bernard Levy
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