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To: Don Pueblo who wrote (1672)	6/21/1999 5:19:00 PM
From: Hiram Walker	Respond to of 2267

To all,good article about Satellite systems. CAMP's LNBF's are going to be industry standard,there is little competition to theirs. Americasnetwork this week. americasnetwork.com Satellites have the unique advantage of being able to deliver services independently of location. It costs exactly the same to deliver a signal to New York or to Montana, which cannot be said of any other technology. Thus, satellite technology ups the ante by providing both bandwidth on demand and bandwidth on location. End users who live in areas of the country (and the world) where terrestrial solutions like ADSL and cable modems are not available will be able to enjoy high-speed broadband access. Traditional geosynchronous earth orbit (GEO) satellites have one major disadvantage — latency. The round-trip delay for signals creates uncomfortable gaps and pauses in two-way communications, as in a voice call or a videoconference. These unavoidable delays also impact a substantial proportion of Internet Protocol (IP) communications, which require high interactivity. Due to their experience with high-speed terrestrial bandwidth, users are loath to put up with delays caused by latency. However, the new generation of low-earth orbit (LEO) satellite constellations eliminate the latency problem, providing a high degree of interactivity while still providing the ubiquity of service that is the hallmark of satellite solutions. Satellites have a degree of flexibility in service deployment that is unavailable for other infrastructure technology. Satellite network technology does not rely on terrestrial last-mile infrastructure. Consequently, the capacity that a LEO system supplies through its constellation of satellites can be shifted to, and from, different geographical areas as demand evolves. Satellites increase their appeal through their ability to circumvent these local complications as operators seek to adapt quickly to changing demand patterns. This flexibility factor alone increases the return on investment in various multiple access technologies. Operators that use the broadband capacity supplied by satellites can morph their coverage area with relative ease. Customers in a rural area of a service providers' footprint can enjoy high-speed Internet access through wireless bandwidth on demand, while customers in a more urban area will use technologies such as ADSL. If either area reaches a critical mass, additional bandwidth from the satellites can be shifted, providing seamless coverage and resulting in satisfied customers. Hiram

To: Don Pueblo who wrote (1672)	6/21/1999 5:26:00 PM
From: Hiram Walker	Respond to of 2267

To all,another good article on fixed wireless,another area CAMP was a dominant player in 1996,Wireless cable. It is gonna remake itself as wireless last mile internet,and then its gonna kick some cable ass. The markets loom large Driven by the insatiable demand for broadband access, there is certainly potential for any industry that promises to deliver high-speed, cost-effective, reliable alternatives and solutions. The demand for broadband access currently far surpasses supply in telecommunications markets worldwide. Global broadband service revenues generated by fixed terrestrial wireless systems are expected to approach $10 billion in five years and $28 billion in 10 years, according to a recent report by The Strategis Group (Washington). Wireless broadband will be a significant player in the local access market. These findings are included in The Strategis Group's study, "World Wireless Broadband: LMDS, MMDS, and Broadband WLL." americasnetwork.com m "The key revenue driver for wireless broadband operators will be providing high-speed data and Internet access to urban businesses lacking fiber access due to unavailability or cost," says Susan Welsh de Grimaldo, senior consultant at the research company. "The hottest markets for wireless broadband in terms of penetration into the business data sector are developing countries like Brazil and Poland, where broadband access costs are high and existing wireline infrastructure is limited." Hiram

To: Don Pueblo who wrote (1672)	6/21/1999 5:34:00 PM
From: Hiram Walker	Respond to of 2267

Another good article from Americasnetwork. americasnetwork.com As far as the radio or network engineer is concerned, LMDS licensing stipulations are pretty arbitrary and, aside from defining the frequencies to which the radios are tuned, have minimal bearing on equipment design. Point-to-multipoint systems operating at 24, 26, 28-31, or 38 GHz are all pretty similar entities, even though in the U.S. only the 28-31GHz spectrum properly qualifies as an LMDS band. All qualify as millimeter microwave systems, and all are limited strictly to line of sight, their signals being effectively obstructed by any solid object, even leafage. Hiram All such systems use highly directional antennas, sectorized at the hubs to permit multiple remote sites to be reached (subscriber unit antennas are normally unidirectional). In many systems, antennas are vertically or horizontally polarized to further reduce interference from transmissions spanning adjacent sites. Those antenna's are made by CAMP mainly.

To: Don Pueblo who wrote (1672)	6/21/1999 5:46:00 PM
From: Hiram Walker	Read Replies (1) \| Respond to of 2267

Fourth article about Sprint's ION network. news.com Sprint unveils consumer ION service By John Borland Staff Writer, CNET News.com June 21, 1999, 1:15 p.m. PT Sprint said today it would expand its one-stop-shopping mix of broadband Internet and advanced telephone services to the residential market, starting in three cities this fall. The consumer service will initially be rolled out in Seattle, Denver, and Kansas City this fall. Sprint will use high-speed digital subscriber line (DSL) telephone wires and wireless technology to provide residential Net access. Sprint has been testing the service with consumers in Gardner, Kansas, for the past two years, doubling the size of its trial this month, the company said. Analysts said the ION service would be unlikely to appeal to the mass market soon, however. "I see this as an important baby step," said Jupiter Communications senior analyst Abhi Chaki last week. "But by the nature of the service, the people who end up taking it will be the small businesses and home offices." Hiram