Antenna Installation
Legal issues

Radio frequency rules vary all over the world. It is important to comply with any local, regional, and national laws that apply to the installation. In the United States, the FCC has jurisdiction. For most of Europe, the ETSI makes the laws that affect wireless equipment. Some of these rules are shown in Figures and .

As an example of how the rules affect antenna setup, the U.S. FCC rules state that any device that supports UNII-1 channels one through four is limited to a fixed antenna. Therefore, the Cisco Aironet 1200 802.11a access point, shown in Figure , has a flip antenna. Even though it is not legal to replace the antenna, a variety of applications can be served.


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