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80-0067-00-MO-RevJ 2019-01-30 SunTech CT40 User Manual | 48
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in
meters (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.
NOTE 1: at 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. 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 monitor is used exceeds
the applicable RF compliance level above, the monitor should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relocating the monitor.
b) Over the frequency range 150kHz to 80 MHz, field strengths should be less than 3V/m
Table A Test specifications for the device’s Signal Input Parts/Signal Output parts to RF wireless
communication equipment.
Test
Frequency
(MHz)
Band a)
(MHz)
Service b)
Modulation b)
Maximum
Power (W)
Distance (m)
IMMUNITY
TEST LEVEL
(V/m)
358
380 390
TETRA 400
Pulse
Modulation b)
18Hz
1,8
0.3
27
450
430 470
GMRS 460,
FRS 460
FM c) 5 kHz
deviation 1
kHz sine
2
0.3
28
710
704 - 787
LTE Band 13,
17
Pulse
Modulation b)
217Hz
0,2
0.3
9
745
780
810
800 - 960
GSM
800/900,
TETRA 800,
iDEN 820,
CDMA 850,
LTE Band 5
Pulse
Modulation b)
18Hz
2
0.3
28
870
930
1720
1700 - 1990
GSM 1800,
CDMA 1900,
GSM 1900,
DECT, LTE
Band 1, 3, 4,
25, UMTS
Pulse
Modulation b)
217Hz
2
0.3
28
1845
1970
2450
2400 - 2570
Bluetooth,
WLAN,
802.11 b/g/n,
RFID 2450,
LTE Band 7
Pulse
Modulation b)
217Hz
2
0.3
28
5240
5100 5800
WLAN 802.11
a/n
Pulse
Modulation b)
217Hz
2
0.3
9
5500
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 1m. The 1m test distance is permitted by IEC 61000-4-3
a) For some services, only the uplink frequencies are included
b) The carrier shall be modulated using a 50% duty cycle square wave signal
48


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