Broadband Wireless Access [WCII, NXLK, WCOM, satellite..] Message Board

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Technology Stocks : Broadband Wireless Access [WCII, NXLK, WCOM, satellite..]

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To: gruetz who wrote (1641)	2/13/2001 3:29:22 PM
From: Bernard Levy	Read Replies (2) of 1860

WCOM and FON have MMDS licenses in the 2-2.6GHz range (the spectrum is actually formed of several disjoint pieces). The BW is smaller (in the 120-200Mhz range) than the type of LMDS license owned by XOXO, but the range is much larger (20 to 30 miles cell radius), and strict LOS is not really needed. Also these frequencies are not affected by rain fade, so that higher-order modulation schemes (higher rates) are possible. Downside: antennas need to be larger, and sectorization cannot be as fine as for LMDS. MMDS is ideal for services competing against cable or DSL targeted at residences (say in the 200 to 500Kbpsec), while LMDS is better suited for higher rates such as T1 (1.54Mbpsec), Ethernet (10Mbpsec), fast Ethernet (100Mbpsec) aimed at business customers. Infrastructure costs are much higher for LMDS than for MMDS. I guess that partnering with a cable company would give Winstar access to residential customers plus access to a metro fiber network (a rough guess). Best regards, Bernard Levy

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