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AT-220TR Datasheet | Tyco Electronics
Part No. : AT-220TR
Description : Digital Attenuator, 30 dB, 4-Bit DC - 2 GHz
Download : AT-220TR Click to Download
Page Number : 6
Manufacturer : Tyco Electronics
File Size : 164 Kb

AT-220TR Article About

Distributed in the city roads, factories, communities, etc. The video monitoring system, generally a few hundred meters equipped with a monitoring point, WiMAXs ability to fully meet the video surveillance coverage of points of distribution, the coverage of a WiMAX base stations in a number of consecutive set of memory monitoring point. Meanwhile, WiMAX has the characteristics of non-sight transmission to meet the complex urban environment, the transmission requirements. 802.16d WiMAX standard by working in FDD mode, take a pair of 3.5MHz frequency, multiple CPE cases available on a sector, the total downstream bandwidth of more than 15Mbit / s; each CPE to provide the maximum 10Mbit / s throughput, sufficient to meet the monitoring requirements of various bandwidth requirements; according to each control point of 1Mbit / s bandwidth, single WiMAX base station can support more than 10 monitoring points, video transmission needs.
Microsoft releases fourth-quarter earnings, net profit of 4.3 billion U.S. dollars last year fell to 30.5 billion decline was 29%; earnings per share fell from 46 cents to 34 cents; revenue decline from the 15.8 billion U.S. dollars to 131 billion, with declines of 17%, failed to meet analyst expectations of 14.5 billion. Microsofts main business revenues have declined: PC market after three consecutive quarters of contraction, Windows software sales fell 29%. Some users wait for new version of Windows in the market in October this year, postponed the purchase. The demand for Office software and Microsoft ads on the site are also affected.

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