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PDF: Freznel Zone, Wireless LAN, Wireless Networking, WaveLAN, Wireless ...
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Source: www.workingwireless.net // Topic: LAN and WLAN
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Short Desciption: HyperLink's network design bulletins, frequently asked. questions, and other
reference materials. ? Installation Guides and Manuals ...
Content Inside: Freznel Zone, Wireless LAN, Wireless Networking, WaveLAN, WireldioLAN, BreezeCom, Cables, Connectors by Hyperlink Technologies
Technical Bulletin Antenna Heights
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Distance between the sites: Earth curvature, the longer the link, the higher the antenna needs to be. (This relation is not proportional) See Table. The Fresnel Zone: This is a electromagnetic phenomenon, where light or radio signals get diffracted or bent from solid objects near their path. See Table showing the 60% of Fresnel Zone Values (Accepted clearing on path). Add this to the Earth curvature height. Objects in the path: At a frequency of 2.4 GHz, you need a clear line of sight (LOS). Tree tops will reflect or ground the signal. The theory is that the height of the tallest object in the path of the signal should be added to the Fresnel Zone and Earth Curvature clearance heights. In your case, you should have to check the height of the trees,
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