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Where P is the maximum output power rating of the transmitter in watts (W) according to
the transmitter manufacturer and d is the recommended separation distance in meters (m).
Field strengths from xed RF transmitters, as determined by an electromagnetic site
survey, should be less than the compliance level in each frequency range. Interference
may occur in the vicinity of equipment marked with the following symbol:
Field strengths from xed transmitters, such as base stations for radio (cellular/cordless)
telephones and land mobile radios, amateur radio, AM and FM radio broadcast
and TV broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic environment due to xed RF transmitters, an electromagnetic site
survey should be considered. If the measured eld strength in the location in which the
