User's Manual
B-4
Pd 3.2
Where,
P
is th
e maximum output power rating
of the transmitter in watts (W) according to the
transmitter manufacturer and
d
is the
recommended s
eparation distance in meters
(m).
b
Fie
ld strengths from fixed RF transmitters, as
determined by an electromagnetic site survey
a
,should be less
than the compliance level in
each frequency range
b
.
Interference may
occur in the vicinity of
equipment marked with the following
symbol:
Not
e 1: At 80 MHz to 800 MHz, the separation distance for the higher frequency range applies.
Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption
and reflection from structures, objects and people.
Note 3: The device that intentionally receives RF electromagnetic energy at the exclusion band
(2400MHz-2483.5MHz) is exempt from the ESSENTIAL PERFORMANCE requirements, but remains safe.
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 the [ME EQUIPMENT
or ME SYSTEM] is used exceeds the applicable RF compliance level above, the [ME EQUIPMENT or ME
SYSTEM] should be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as re-orienting or relocating the [ME EQUIPMENT or ME SYSTEM].
b
Ove
r the frequency range 150 kHz to 80 MHz, field strengths should be less than3V/m.
Recommended separ
ation distances between portable and mobile RF
communica
tions equipment and the device
The dev
ice is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the device can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications equipment (transmitters)
and the device as recommended below, according to the maximum output power of the communications
equipment.
Rated
maximum
output po
wer
Separation distance in meters (m) according to frequenc
y of the
transmitter
150 kHz ～
80 MHz 80 MHz ～ 800 MHz 800 MHz ～ 2.5 GHz