Summary

Choosing and installing antennas is an integral part of a successful WLAN installation. It is important to understand the difference between directional and omnidirectional antennas. Specifications for antennas may change, but the underlying theory is the same.

This module also covered some basic requirements of a site survey along with some safety issues to be aware of. When dealing with WLANs, line of sight is not just a straight line between antennas. Wireless line of sight must account for the Fresnel zone and might have to adjust for Earth bulge.