1 • Introduction
24
Radiofrequency radiation
exposure information
The Industrial, Scientific and Medical (ISM) radio
frequencies may contain emissions from microwave
ovens, heaters, and other noncommunication devices.
While these types of devices usually pose no threat of
interference as they are low-powered devices, the possi-
bility exists that some industrial high power systems may
wipe out any attempted communication use of a WLAN.
Therefore, perform a site survey and interference analysis
with a spectrum analyzer to view the entire spectrum,
looking for signals that might not only be within the fre-
quency range of the intended WLAN but also could be
near or at the same frequency and cause interference.
Glossary:
■ “FCC” stands for “Federal Communications
Commission” (USA).
■ “RF” stands for “radio frequency”
■ “RSS” stands for “Radio Standards Specification”
(Canada).
■ “WLAN” stands for “Wireless Local Area
Network”
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