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Idiomas disponibles
GUÍA DE EMC
Table 4
EN
Recommended separation distances between portable and mobile RF
DE
communications equipment and the device.
The device is intended for use in an electromagnetic environment in which
FR
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 (transmittters) and
ES
the device as recommended below, according to the maximum output power of
the communications equipment.
IT
Separation distance according to frequency of transmitter (m)
Rated maximum
output power of
150 kHz to 80 MHz
transmitter (W)
d=3.5 P
0.01
0.12
0.1
0.38
1
1.2
10
3.8
100
12
For transmitters rated at a maximum output power not listed above, the
recommended separation distance d in metres (m) can be estimated using the
equation applicable to the frequency of the transmitter, where P is the maximum
output power rating of the transmitter in watts (W) according to the transmitter
manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency
range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic
objects and people.
80 MHz to 800 MHz
800 MHz to 2.7 GHz
d=1.2 P
d=2.3 P
0.12
0.23
0.38
0.73
1.2
2.3
3.8
7.3
12
23
150
Table 5
Guidance and manufacturer's declaration - electromagnetic immunity
user of the device, should assure that it is used in such an environment.
Test
Band
Frequency
a)
Service a)
(MHz)
(MHz)
380-
TETRA
385
390
400
430-
450
GMRS 460, FRS 460
470
710
Radiated RF
704-
IEC61000-4-3
745
LTE Band 13, 17
787
(Test
780
810
GSM 800/900,
for ENCLOSURE
800-
TETRA 800, iDEN
870
PORT IMMUNITY
960
820, CDMA 850, LTE
to RF wireless
930
Band 5
communications
1720
GSM 1800; CDMA
equipment)
1700-
1900; GSM 1900;
1845
1990
DECT; LTE Band 1, 3,
1970
4,25; UMTS
Bluetooth, WLAN,
2400-
2450
802.11 b/g/n, RFID
2570
2450, LTE Band 7
5240
5100-
5500
WLAN 802.11 a/n
5800
5785
NOTE If necessary to achieve the IMMUNITY TEST LEVEL, the distance between the transmitting antenna
and the ME EQUIPMENT or ME SYSTEM may be reduced to 1 m. The 1 m test distance is permitted
by IEC 61000-4-3.
a) For some services, only the uplink frequencies are included.
b) The carrier shall be modulated using a 50% duty cycle square wave signal.
c) As an alternative to FM modulation, 50% pulse modulation at 18 Hz may be used because while it does
not represent actual modulation, it would be worst case.
The MANUFACTURER should consider reducing the minimum separation distance, based on RISK
MANAGEMENT, and using higher IMMUNITY TEST LEVELS that are appropriate for the reduced minimum
separation distance. Minimum separation distances for higher IMMUNITY TEST LEVELS shall be calculated
6
E=
P
using the following equation:
d
Where P is the maximum power in W, d is the minimum separation distance in m, and E is the IMMUNITY
TEST LEVEL in V/m.
GUÍA DE EMC
IMMUNITY
Modulation
Modulation
Distance
TEST LEVEL
b)
b) (W)
(m)
(V/m)
Pulse
modulation
1.8
0.3
27
b) 18Hz
FM c) ± 5kHz
deviation
2
0.3
28
1kHz sine
Pulse
modulation
0.2
0.3
9
b) 217Hz
Pulse
modulation
2
0.3
28
b) 18Hz
Pulse
modulation
2
0.3
28
b) 217Hz
Pulse
modulation
2
0.3
28
b) 217 Hz
Pulse
modulation
0.2
0.3
9
b) 217 Hz
151
EN
DE
FR
ES
IT
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