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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here -- Ignore unavailable to you. Want to Upgrade?

To: MikeM54321 who wrote (10990)	4/17/2001 9:04:37 AM
From: Dexter Lives On	Read Replies (1) \| Respond to of 12823

Hi Mike, This phenomenon is apparent in the LMDS bands but not in MMDS where the attenuation from rain/sleet/snow has little or no impact. It is very important in this market to distinguish the two bands and their differences; the lower frequency bands offer the potential of near/non LOS (and longer range, easy CPE install) whereas the higher frequency require short range and direct LOS. Of course, at this stage the LMDS band offers greater bandwidth though not necessarily greater capacity, which depends more on the network design. There is a difference in end markets as well; LMDS targets large enterprises that can afford the expensive equipment needed whereas MMDS targets SME's and to some extent residential and so over time the economies of scale are being depended on to make it profitable... Regards, Rob

To: MikeM54321 who wrote (10990)	4/17/2001 10:50:50 AM
From: Rob S.	Respond to of 12823

The problem with the old assessments of FBBW is that it is based on systems that are not being considered today. OFDM technology was developed at Bell Labs just five years ago and did not exist as a commercial product until recently. It is just starting to enter the market. The anecdotal reports about old technology just does not mean much. I would be very interested in such reports that were specific to the new OFDM systems. Even the new DSSS systems have reportedly worked well. Do some research and find out what Sprint has experienced in their large scale deployments of Hybrid Networks DSSS based systems; they report that the systems work well during thunderstorms, snow and other adverse weather conditions. I have not heard of a single report of problems on these new systems. I think that wired-brains thinking is out of date.