W2-RDO-9X WES+916.5MHz Radio Module RF Exposure Info RF Exposure Ramtech Electronics ltd

Ramtech Electronics ltd WES+916.5MHz Radio Module

Page 1 of W2-RDO-9X WES+916.5MHz Radio Module RF Exposure Info RF Exposure Ramtech Electronics ltd

RF Exposure
MPE Calculation
KDB 447498
Prediction of MPE limit at a given distance
Equation from IEEE C95.1
S =
EIRP
re - arranged R =
4πR 2
EIRP
S 4π
where:
S = power density
R = distance to the centre of radiation of the antenna
EIRP = EUT Maximum power
Note:
The EIRP was calculated by addition of the maximum conducted carrier power plus the
antenna gain.
OR
The following formula may be used to convert field strength (FS) in volts/metre to transmitter
output power (TP) in watts:
TP = (FS x D)2 / (30 x G)
where D is the distance in metres between the two antennas and G is the antenna
numerical gain referenced to isotropic gain.
Result
Prediction
Frequency
(MHz)
Maximum
Conducted
Power
(dBm)
Antenna
Gain
(dBi)
Maximum
EIRP
(mW)
Minimum
Distance
(cm)
Power
density
at distance
(mW/cm )
Power density
limit (S)
(mW/cm )
916.5
14.68
1.6
42.5
2.4
0.59
0.61
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Document ID3238268
Application IDJWKtFA10eBWW4eNbm2K4yg==
Document DescriptionRF Exposure
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize4.52kB (56548 bits)
Date Submitted2016-12-23 00:00:00
Date Available2016-12-23 00:00:00
Creation Date2016-12-08 17:04:27
Producing SoftwareAdobe PDF Library 11.0
Document Lastmod2016-12-08 17:04:28
Document TitleRF Exposure
Document CreatorAcrobat PDFMaker 11 for Word
Document Author: Daniel Winstanley

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Creator                         : Daniel Winstanley
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Source Modified                 : D:20161208170345
Company                         : Element Materials Technology
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Page Count                      : 1