E
Radiated
10 V/m, 80
10 V/m, 80
d=1.2√P 80 MHz to 800 MHz
RF IEC
% AM at 1
% AM at 1
d=2.3√P 800 MHz to 2.7 GHz
61000-
kHz
kHz
where P is the maximum output power rating
4-3
of the transmitter in watts (W) according to the
transmitter manufacturer and d is the recom-
mended separation distance in metres (m) b.
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey a,
should be less th
frequency range
Interference may occur in the vicinity of equip-
ment marked with the following symbol:
NOTE1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2: These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
a: Field strength from fixed transmitters, such as base stations for radio (cellular/cord-
less) telephones and land mobile radios, amateur radio, AM and FM radio stations and TV
stations cannot be predicted theoretically with accuracy. To assess the electromagnetic
environment due to fixed RF transmitters, an electromagnetic site survey should be con-
sidered. If the measured field strength in the location in which the device is used exceeds
the applicable RF compliance level above, the device should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary,
such as reorienting or relocating the device.
b: Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Table 4 Recommended separation distances between portable and mobile RF communi-
cations equipment and the device.
The device 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
Separation distance according to frequency of transmitter
output power of
transmitter
150 kHz to 80 MHz
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 recommend-
ed 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.
NOTE1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2: These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
EN-60
Technical information
the compliance level in each
an
b
.
m
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
Technical information
Table 5 Guidance and manufacturer's declaration - electromagnetic immunity
The device is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the device should assure that it
is used in such an environment.
Radiated RF IEC 61000-4-3 – Test specifications for enclosure port immunity to RF wire-
less communications equipment
Test fre-
Band
Service
a
a
quency
MHz
MHz
380 to
385
TETRA 400
390
430 to
GMRS 460,
450
470
FRS 460
710
704 to
745
LTE Band 13, 17
787
780
GSM 800/900,
810
TETRA 800,
800 to
870
iDEN 820,
960
CDMA 850,
930
LTE Band 5
GSM 1800;
1720
1700
CDMA 1900;
1845
to
GSM 1900;
1990
DECT;
1970
LTE Band 1, 3, 4, 25; UMTS
Bluetooth,
2400
WLAN 802.11 b/g/n,
2450
to
RFID 2450
2570
LTE Band 7
5240
5100
5500
to
WLAN 802.11 a/n
5785
5800
NOTE: If necessary to achieve the immunity test level, the distance between the trans-
mitting antenna and the ME equipment or ME system may be reduced to 1 m. The 1 m
distance is permitted by IEC 61000-4-3.
For some services, only the uplink frequencies are included.
a
The carrier shall be modulated using a 50 % duty cycle square wave signal.
b
c
As an alternative to FM modulation, 50 % pulse modulation at 18 Hz may be used be-
cause 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 re-
duced minimum separation distance. Minimum separation distance for higher immunity
test levels shall be calculated using the following equation:
where P is the maximum output power in W, d is the minimum separation distance in m
and E is the immunity test level in V/m.
E
Modulation
Maximum
Dis-
Immunity
b
output
tance
test level
W
m
V/m
Pulse modula-
tion
b
1.8
0.3
27
18 Hz
FM
c
± 5 kHz deviation
2
0.3
28
1 kHz sine
Pulse modula-
tion
0.2
0.3
9
b
217 Hz
Pulse modula-
tion
b
2
0.3
28
18 Hz
Pulse modula-
tion
2
0.3
28
b
217 Hz
Puls modulation
b
2
0.3
28
217 Hz
Pulse modula-
tion b
0.2
0.3
9
217 Hz
6
E=
P
d
EN-61