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Technology Stocks : RoamAD - 802.11b Cellular Networks -- Ignore unavailable to you. Want to Upgrade?

To: Maurice Winn who wrote (114)	7/14/2003 11:11:50 PM
From: Dexter Lives On	Read Replies (1) \| Respond to of 246

Hi Maurice, WiMAX is all about providing access to a variety of applications and service levels that were neither envisioned nor assured with the WLAN systems. Taking the same W-OFDM PHY layer used in 802.11a/g and busting it out into the metro area will not only allow voice, video and data services, but to a much larger user count than WLANs could support. Also the dual purpose of fixed provision to residences and MDU's, with mobile use will mean an even greater user base. All of the good comments you made about WLAN in dense user environments will prove 10 times greater for WiMAX WMANs, imo. Cells can be made smaller as traffic/density grows, and mesh architectures enable self-healing, naturally expansive networks. China is likely to be the first market to be assaulted by vendors with 802.16a gear (the current economics, similar to early WLAN, is likely greater in areas with little or no wired networks - SME's in mainland China); it will be interesting to see if that's successful and if it is, how receptive they will be to the mobility enhancement. As the gear moves out to Europe, Australia, NZ and America, it could be that you'll have WiMAX vendors knocking on ROAM AD's door; I look forward to your reports on the progress of the company. Take care. Rob