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EFW5L_IFU REV NEW
a
Field strengths from fixed 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 fixed RF transmitters, an electromagnetic site survey should be considered. If the measured
field strength in the location in which EFW5L is used exceeds the applicable RF compliance level above, EFW5L should be
observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-
orienting or relocating EFW5L.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Table 4: Proximity Fields from RF wireless communications equipment
Recommended separation distances between portable and mobile RF communications equipment
EFW5L is intended for use in the electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of EFW5L can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications equipment
(transmitters) and EFW5L as recommended below, according to the maximum output power of the
communications equipment.
output
power of
Separation distance according to frequency of transmitter
m
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