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Technology Stocks : CellularVision (CVUS): 2-way LMDS wireless cable. -- Ignore unavailable to you. Want to Upgrade?


To: James Fink who wrote (1340)2/27/1998 9:22:00 AM
From: Elliot W  Read Replies (1) | Respond to of 2063
 
High-speed data over PCS - I think not.

I'm NO EXPERT, but give me a second. Broadband PCS has about 100 to 150 Mhz of spectrum in the 2Ghz area (I think). So the way I see it is that if no one is using their phones in NYC; then 7 or 8 friendly people could exchange data at 2Mbps.

Short quick text messages like e-mail great. OK, but you don't need speed for that. I have a digital GSM PCS phone and I can't walk around the block and not find at least 5 or 6 "dead" spots. Driving in my car and talking its no problem at all, but I'm not trying to transmit a 5 megabyte file while being handed off to another cell. Error correction, Error correction, Error correction will kill their mobile high speed bandwidth plans in the real world. LMDS does not really have this problem - you fiddle with the small antenna till it works and then you leave it.

PS: I think comments by AT&T are a little self serving based on their sloooow entry into the PCS area and they may be having second thoughts about not being in LMDS auction.

Still a CVUS fan
Elliot



To: James Fink who wrote (1340)2/27/1998 11:29:00 AM
From: JW@KSC  Read Replies (1) | Respond to of 2063
 
High Speed over Cellular & PCS

Thanks for the story James.

I think Nokia is way off base in their statement.

"In three to five years, Nokia and a host of others will unveil so-called "third generation" equipment that will pump data across PCS networks at a head-snapping 2 mbps, or nearly 50 times today's top modem speeds. That will put wireless on an even playing field with cable modems and DSL."

In three to five years VDSL at 52Mbs will be making inroads into a number of cities in the U.S.. VDSL is already operating in Hong Kong and Singapore.

How can they even come close to VDSL 52Mbs or LMDS at 48Mbs? Noika, great company, though short sighted in this area. Though I'm sure it sounds good to the majority, which are uninformed.

JW@KSC