It would appear that this is what is used by Terabeam, the one that Gilder has promoted as having a very bright future. Some discussions have taken place on the Frank Coluccio thread as how this could be safely implemented. Mrv is right @ the forefront of a very hot area, one whose ownership remains ambiguous....
"MRV Announces Shipment of Wireless Optical Transceivers
Business Wire - April 04, 2000 08:46
CHATSWORTH, Calif.--(BUSINESS WIRE)--April 4, 2000--MRV
Communications Inc. (Nasdaq:MRVC) today reported that it is shipping a special transceiver tailored to the needs of wireless optical communications companies.
Wireless Optics technology is used to transmit information by way of beaming lasers through office buildings, to provide customers with Internet connectivity at Gigabit speed. Wireless Optics is a viable alternative for service providers to connect premium business customers to the Internet. It is a better alternative to other last-mile solutions, which are either slow to implement or provide lower speed connectivity (for example: DSL and cable modems).
Noam Lotan, President and CEO of MRV Communications, commented: "The potential market for wireless optics is very significant. In the United States, there are 700,000 office buildings with more than 100 employees. High-speedInternet access can now be provided to them at Gigabit speed." The promise of Wireless (or "Fiberless") Optics is substantial as optical communications is faster than other wireless alternatives such as Local Multipoint Distribution Service (LMDS) technology. Using today's technology, a single wavelength can carry data at Gigabit speed. Using WDM technologies, multiple streams of Gigabit-speed data can be delivered on a Point-to-Point or Point-to-Multipoint
configuration. The MRV transceiver increases transmission speed while at the same time providing high sensitivity for longer distance, through-the-air transmission. The device includes a specially designed receiver suitable for
wireless application. The wavelength was especially selected to be in the 1.55 micron range, which allows transmission of higher output power, without compromising eye safety. This wavelength range is also suitable for WDM applications."
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