METRICOM - Wireless Data Communications Message Board

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Technology Stocks : METRICOM - Wireless Data Communications

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Nov 26 3:03 PM EST

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To: shoe who wrote (2040)	1/27/2000 1:01:00 AM
From: Gus	Read Replies (1) of 3376

Shoe, This technology tutorial from the Internation Engineering Consortium (IEC) should help to clear most of the myths: webproforum.com A superconductivity vendor like Conductus has this explantion of the coverage holes that occurs in any base station coverage provided by analog, 2g TDMA/GSM/CDMA and 3g WCDMA/CDMA2000. I don't know if cryogenically-cooled superconductive wireless amplifiers and filters have benefits for a spread spectrum-based mesh network like Ricochet. conductus.com The fact still remains that the performance gap between 2g TDMA/GSM and 2g CDMA is narrowing while the cost advantages of TDMA/GSM keep on widening. That obviously favors the upgrade path to WCDMA not CDMA2000. Note also this 12/99 press release on the CDTS web site: Conductus, Inc. (Nasdaq: CDTS), a leading manufacturer of superconducting wireless systems, announced today that the first urban TDMA field trials of its ClearSite system expanded busy-hour capacity by 80% at a major cellular carrier's site in a highly-populated urban area. This improvement represents a potential revenue increase of $300,000 per year, resulting in a payback of the carrier's investment in its ClearSite system within approximately two months. Conductus and other supercondutivity vendors are participating in trials in Japan right now with results expected in the next few weeks.

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