User's Manual
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Radiated RF
IEC 61000-4-3
10 V/m
80 MHz to 2.7
GHz
10 V/m
cables and external antennas) should be used no closer than 30 cm
(12 inches) to any part of the device).
Where “P” is the maximum output power rating of the transmitter
in watts according to transmitter manufacturer and “d” is the
recommended separation distance in meters. Field strengths from
fixed RF transmitters, as determined by an electromagnetic site
survey (b), should be less than the compliance level in each
frequency range (c).
Interference may occur in the vicinity of equipment marked with
the following symbol:
Note1: at 80MHz-800MHz, the higher frequency range applies.
Note 2: these guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and refection
from structures, objects and people.
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 this is used exceeds the applicable RF compliance level above, this
should be observed to verify normal operation. If abnormal performance is observed, additional measures may be
necessary, such as re-orienting or relocating.
b) Field strengths should be less than 3V/m in the frequency range of 150k～80MHz.
Table 4 Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless communications equipment
Test
frequency
(MHz)
Band
a)
(MHz)
Service
a)
Modulation
b)
Maximum
power
(W)
Distance
(m)
IMMUNITY
Test Level
(V/m)
385
380-390
TETRA 400
Pulse modulation
b)
18 Hz
1.8
0.3
27
450
430-470
GMRS 460.
FRS 460
FM
c)
± 5kHz deviation
1 kHz sine
2
0.3
28
710
704-787
LTE Band 13,
17
Pulse modulation
b)
217 Hz
0.2
0.3
9
745
780
810
800-960
GSM 800/900,
TETRA 800,
iDEN 820,
CDMA 85,
LTE Band 5
Pulse modulation
b)
18 Hz
2
0.3
28
870
930
1720
1700-1990
GSM 1800;
CDMA 1900;
Pulse modulation
b)
217 Hz
2
0.3
28
1845