Use Instructions

SAIT‐IFU‐GEMS‐HRev.1.1(2019‐11) Page75of79
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Recommendedseparationdistancebetween
portableandmobileRFcommunicationsequipmentandtheGEMS‐H
TheGEMS‐HisintendedforuseinanelectromagneticenvironmentinwhichradiatedRFdisturbancesarecontrolled.
The customer or the user of the GEMS‐H can help prevent electromagnetic interference by maintaining a minimum distance between
portable and mobile RF communications equipment (transmitters) and the GEMS‐H as recommended below, according to the maximum
outputpowerofthecommunicationsequipment.
Ratedamaximum
outputpoweroftransmitter[W]
Separationdistanceaccordingtofrequencyoftransmitter[m]
IEC60601‐1‐2:2014
150kHzto80MHz
d=1.2

𝑝

80kHzto2.7GHz
d=2.0

𝑝
0.01 0.12 0.20
0.1 0.38 0.63
1 1.2 2.0
10 3.8 6.3
100 12 20
Fortransmittersrated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isthe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refectionfromstructures,
objectsandpeople.

Guidanceandmanufacturer'sdeclaration‐electromagneticimmunity
TheGEMS‐Hisintendedforuseinanelectromagneticenvironment in which radiated RF disturbances are controlled. Portable RF
communications equipment should be used no closer than 30 cm (12 inches) to any part of the GEMS‐H. Otherwise, degradation of the
performanceofthisequipmentcouldresult.
Immunitytest Banda Service
a
Modulation
IEC60601
testlevel
Compliancelevel
Proximity fields
from
RFwireless
Communications
IEC61000‐4‐3
380‐390MHz TETRA400 Pulse modulation
18Hz
27V/m 27V/m
430–470MHz GMRS460
FRS460
FM
±5kHz
deviation
1kHzsine
28V/m 28V/m
704–787MHz LTEBand13,17 Pulse modulation
217Hz
9V/m 9V/m
800–960MHz GSM800:900
TETRA800
iDEN820
CDMA850
LTEBand5
Pulsemodulation
18Hz
28V/m 28V/m
1700–1990MHz GSM1800
CDMA1900
GSM1900
DECT
Pulse modulation
217Hz
28V/m 28V/m