Edimax Technology EA-ID6D - Manual (Page 5)

NOTICE:
Most of desktop PC users in home/ office should be aware of the location
of wireless base stations, to use the directional antenna ; one can easily
get connected by just pointing this antenna to where the base station is.
Recommended installation positions
This directional antenna has a directional signal coverage, which you can use
it for the following configurations based on this special characteristics
QIG-ED-2406-V1 5