Proxim Harmony 802.11b User Manual page 25

Proper antenna placement can help improve range. Here are some guidelines:
The antenna should be placed so that it emits its signal in the appropriate
direction. The Harmony 802.11b Access Point comes with an integral diver-
sity antenna. For best results, place the antenna in the up or vertical position.
Place the antenna as high as possible. In an office environment, try to place it
above cubicle walls.
Do not place a sheet of metal (like a filing cabinet) between two antennas.
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