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Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless
communications equipment (Table 9)
Test
Band
Service
a)
freq.
(MHz)
(MHz)
385
380-390 TETRA 400
450
430-470 GMRS 460,
FRS 460
710
704-787 LTE Band 13, 17 Pulse modulation
745
780
810
800-960 GSM800/900,
TETRA 800,
870
iDEN 820,
CDMA 850,
930
LTE Band 5
1720
1700-
GSM1800; CDMA
1900;
1990
1845
GSM 1900; DECT;
1970
LTE
Band 1,3,4,25;
UMTS
2450
2400-
Bluetooth,
WLAN,
2570
802.11 b/g/n,
RFID 2450,
LTE Band 7
5240
5100-
WLAN 802.11
a/n
5800
5500
5785
If necessary to achieve the immunity test level, the distance between the transmitting
antenna and the FO3001 may be reduced to 1m. The 1m test distance is permitted by IEC
61000-4-3.
d
For some services, only the uplink frequencies are included.
e
The carrier shall be modulated using a 50 % duty cycle square wave signal.
f
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.
Modulation
a)
b)
Pulse modulation
b)
18Hz
FM
±5kHz
c)
deviation 1kHz
sine
b)
217Hz
Pulse modulation
b)
18Hz
Pulse modulation
b)
217Hz
Pulse modulation
b)
217Hz
Pulse modulation
b)
217Hz
37
Ficheiro No.: FSHF-FO3001
Maximum
Distance
power (W)
(m)
1.8
0.3
2
0.3
0.2
0.3
2
0.3
2
0.3
2
0.3
0.2
0.3
Version: A/1
Immunity
Test Level
(V/m)
27
28
9
28
28
28
9
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