Teldat bintec W1002n Manual do Utilizador Página 194

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Fig. 78: Wireless backbone
Fig. 79: Wireless bridge with connection of wireless clients
To be able to set up a wireless link to Teldat bridges, an uninterrupted view must exist
between the antennas at both ends. This is called a line of sight, abbreviated to LOS.
The term line of sight does not just mean a straight line of vision between the two anten-
nas, but a kind of tunnel, which must not be disturbed by obstacles. This tunnel is called
the 1st Fresnel zone. The Fresnel zone has the shape of an ellipse rotated around its lon-
10 Wireless LAN Teldat GmbH
180 bintec WLAN and Industrial WLAN
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