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Electromagnetic compatibility information
Table 3
For ME EQUIPMENT and ME SYSTEMS that are
not LIFE-SUPPORTING
Guidance and manufacture s declaration-electromagnetic immunity
'
The YE660D is intended for use in the electromagnetic environment
specified below. The customer or the user of YE660D should assure
that it is used in such an environment.
Immunity
test
3 Vrms
0,15 MHz-80 MHz
Conducted RF
6 V rms in ISM and amateur
IEC 61000-4-6
radio bands between
0,15 MHz and 80 MHz
80 % Am at 1 kHz
Radiated RF
IEC 61000-4-3
NOTE1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2 These
guidelines
Electromagnetic propagation is affected by absorption and reflection
from structures , objects and people .
a
Field strengths from fixed transmitters , such as base stations for
radio (cellular / cordless) telephones and land mobile radios, amateur
radio , AM and FM radio broadcast and TV broadcast cannot be
predicted theoretically with accuracy. To assess the electromagnetic
environment due to fixed RF transmitters , an electromagnetic site
survey should be considered . If the measured field strength in the
location in which the YE660D is used exceeds the applicable RF
compliance level above, the YE660D should be observed to verify
normal operation . If abnormal performance is observed ,additional
measures may be necessary, such as reorienting or relocating the
YE660D.
Over the frequency range 150 kHz to 80 MHz, field strengths
b
should be less than 3 V/ m.
IEC 60601
Compliance
test level
level
3 Vrms
0,15 MHz-80 MHz
6 V rms in ISM and amateur
radio bands between
0,15 MHz and 80 MHz
80 % Am at 1 kHz
10 V/m
10 V/m
80 MHz to
80 MHz to
2.7 GHz
2.7 GHz
may not
apply
in all situations .
154
Electromagnetic compatibility information
Table 4-Test specifications for ENCLOSURE PORT
IMMUNITY to RF wireless communications
equipment
Test
Band
a)
Service
a)
frequency
(MHz)
(MHz)
(MHz)
385
TETRA 400
380-390
GMRS 460,
450
430-470
FRS 460
710
LTE Band 13,
745
704-787
17
780
810
GSM 800/900,
TETRA 800,
870
800-960
iDEN 820,
CDMA 850,
LTE Band 5
930
GSM 1800;
1720
TETRA 1900;
GSM 1900;
1845
1700-1990
DECT;
LTE Band 1,3,
1970
4,25; UMTS
Bluetooth,
WLAN,
2400-2570
802.11 b/g/n
2450
RFID 2450,
LTE Band 7
5240
WLAN
5500
5100-5800
802.11a/n
5785
NOTE
If necesary to achieve the IMMUNITY TEST LEVEL, the distance between the transmitting
ant enna and t heME EQUIPMENT
r
E
YSTEM
o
M
S
IEC61000-4-3.
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
Maximum
Distance
Modulation
power
b)
(m)
(MHz)
Pulse
modulation
b)
0,3
1,8
18 Hz
FM
±5 kHz deviation
0,3
2
1 kHz sine
Pulse
modulation
b)
0,3
,
0
2
217 Hz
Pulse
modulation
b)
2
0,3
18 Hz
Pulse
0,3
modulation
b)
2
217 Hz
Pulse
0,3
modulation
b)
2
217 Hz
Pulse
modulation
b)
,
0,3
0
2
217 Hz
ay
e
educed
o 1
.
he 1
est
ist ance
m
b
r
t
m
T
m t
d
155
IMMUNITY
TEST LEVEL
(V/m)
27
28
9
28
28
28
9
s
ermit t ed
y
i
p
b
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