MPE Calculation

FCC ID: PJ5-WFBT5

RF Exposure Info

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FCCID_1898667

Raymarine UK Ltd Marine House Cartwright Drive Seggensworth Fareham PO15 5RJ 8th February 2013 BABT FCB Balfour House, Churchfield Road, Walton-on-Thames, Surrey, KT12 2TD Dear Sir Subject: Radiated power calculation for Raymarine E70162 (a65 WIFI) and E70163 (a67 WIFI) display Radiated power calculation Peak Output Power Operating Mode Max Average Antenna Gain Max Max (Modulation) Power Measured (dBi) Average Average (dBm) EIRP(dBm) EIRP (mW) 11Mbps 802.11b 12.35 0.8 13.15 13.64 DSSS 20dBm nominal 54Mbps 802.11g OFDM 14.5dBm 0.65 0.8 1.45 1.40 nominal 1Mbps Bluetooth GFSK 9.5dBm 8.75 0.8 9.55 9.01 nominal

Distance to 10W/m2 Pr=Pt/4*pi*r2 EIRP Pr (mW) (W) r(cm) Pt 11Mbps 802.11b DSSS 20dBm nominal 13.6 10 1.0 54Mbps 802.11g OFDM 14.5dBm nominal 1.4 10 0.3 1Mbps Bluetooth GFSK 9.5dBm nominal 9.0 10 0.8 Therefore distance for 10w/m2 is rounded up to 1cm from the internal antenna, this keeps the distance common for all displays in the series. Signature: Date: 8th February 2013 NAME (Please print or type): Andrew Little BEng (Hons) CEng MIET MIEEE, TITLE (Please print or type): Compliance Manager COMPANY (Please print or type): Raymarine Limited


Document Created: 2013-02-08 09:45:34
Document Modified: 2013-02-08 09:45:34
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