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Table 5
Guidance and manufacturer’s declaration - electromagnetic immunity
The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device, should assure that it is used in such an environment.
Radiated RF IEC61000 4-3
(Test specications for EN-
CLOSURE PORT IMMUNITY
to RF wireless communica-
tions equipment)
Test Frequency
(MHz)
Band a) MHz) Service a) Modulation b) Modulation b) (W) Distance (m) Immunity Test Level
(V/m)
385 380-390 TETRA 400 Pulse modulation b) 18 Hz 1.8 0.3 27
450 380-390
GMRS 460,
FRS 460
FM c) ± 5kHz deviation
1kHz sine
2 0.3 28
710
704-787 LTE Band 13, 17
Pulse modulation b)
217 Hz
0.2 0.3 9745
780
810
800-960
GSM 800/900,
TETRA 800, iDEN 820,
CDMA 850,
LTE Band 5
Pulse modulation b) 18 Hz 2 0.3 28870
930
1720
1700-1990
GSM 1800;
CDMA 1900;
GSM 1900; DECT;
LTE Band 1, 3, 4, 25;
UMTS
Pulse modulation b)
217 Hz
2 0.3 28
1845
1970
2450 2400-2570
Bluetooth, WLAN,
802.11 b/g/n, RFID
2450, LTE Band 7
Pulse modulation b)
217 Hz
2 0.3 28
5240
5100-5800 WLAN 802.11 a/n
Pulse modulation b)
217 Hz
0.2 0.3 95240
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.
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 using the following equation:
E =
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.
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.
EMC GUIDANCE
171


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