38 | Understanding Antennas Aruba AP-85 Outdoor Access Point Series | Installation Guide
Figure 29 AP-ANT-90 E-Plane View (Side View)
Figure 30 AP-ANT-90 H-Plane View (Top View)
z Alternatively, for high mounting locations, high-gain sector antennas may be used with mechanical downtilt. This will
typically require the use of multiple access points per mounting location to provide omni-directional coverage.
z If a directional antenna is required to direct RF coverage, the detachable antenna must be capable of supporting all of the
frequency bands that require support (2.4 GHz and/or 5 GHz).
z Directional antennas are selected to focus RF energy more efficiently to a targeted area.
z Directional antennas are also useful in areas where the surrounding materials have high amounts of RF attenuation or
reflection and the RF signal needs to be guided in the direction of the least amount of attenuation or reflection. For
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