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Richtlinien und Herstellererklärung – Elektromagnetische Störfestigkeit
HF-Strahlung
IEC 61000-4-3
(Prüfspezifikation
en für die
STÖRFESTIGKEIT
DES GEHÄUSES
gegenüber
drahtlosen HF-
Kommunikationsg
eräten)
Prüffrequenz
(MHz)
Band a
(MHz)
Dienst a) Modulation
b)
Modulation
b)
(W)
Abstand
(m)
STÖRFESTI
GKEITSPRÜ
FPEGEL (V/
m)
385 380-390 TETRA 400 Pulsmodulation
b) 18 Hz
1,8 0,3 27
450 380-390
GMRS 460,
FRS 460
FM c) ± 5 kHz
Abweichung
1 kHz
Sinus
2 0,3 28
710
704-787
LTE-Band
13, 17
Pulsmodulation
b)
217 Hz
0,2 0,3 9745
780
810 800-960
GSM 800/
900,
TETRA 800,
iDEN 820,
CDMA 850,
LTE-Band 5
Pulsmodulation
b) 18 Hz
2 0,3 28
870
930
1720
1700-1990
GSM 1800;
CDMA 1900;
GSM 1900;
DECT; LTE-
Bänder 1, 3,
4, 25; UMTS
Pulsmodulation
b) 217 Hz
2 0,3 28
1845
1970
2450 2400-2570
Bluetooth,
WLAN 802.
11 b/g/n,
RFID 2450,
LTE-Band 7
Pulsmodulation
b) 217 Hz
2 0,3 28
5240
5100-5800
WLAN 802.
11 a/n
Pulsmodulation
b) 217 Hz
0,2 0,3 9
5785
Wenn dies zum Erreichen des STÖRFESTIGKEITSPRÜFPEGELS erforderlich ist, kann der Abstand zwischen der Sendeantenne
und der MEDIZINISCHEN AUSRÜSTUNG bzw. dem MEDIZINISCHEN SYSTEM auf 1 m verringert werden. Der Prüfabstand von
1 m ist gemäß IEC 61000-4-3 zulässig.
a) Bei einigen Diensten sind nur die Uplink-Frequenzen enthalten.
b) Der Träger muss anhand des Rechteckwellensignals eines halben Betriebszyklus moduliert werden.
C) Als Alternative zur FM-Modulation kann eine 50%ige Pulsmodulation bei 18 Hz verwendet werden, auch wenn es sich nicht
um eine tatsächliche Modulation handelt, wäre dies der ungünstigste Fall.
Der HERSTELLER sollte auf der Grundlage des RISIKOMANAGEMENTS eine Verringerung des Mindestabstands in Erwägung
ziehen und höhere STÖRFESTIGKEITSPRÜFPEGEL anwenden, die für den verringerten Mindestabstand geeignet sind. Die
Gebrauchsanweisung EMV-Konformität und Herstellererklärungen 35
39


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