Raymarine E70498 - Page 32

Example2—SignalpassingthroughFiberglasscoachroof
Inthee xampleabovethemaximumdistancewithacceptableWi-Fiperformanceis15m(49ft),due
totheheavyfiberglasscoachroofthatthesignalhastopassthrough.
Example3—Signalpassingthroughheavystructure
Inthee xampleabovethemaximumdistancewithacceptableWi-Fiperformanceis3m(9.8ft),dueto
themetalroofthatthesignalhastopassthrough.
ObstaclesinthedirectlineofsightbetweentheRadarandMFDwillfurtherimpactWi-FiPerformance.
Theimpactofeachobstacleisusuallyminimal,howevertheeffectiscumulative.Obstaclescan
includebutarenotlimitedto:
•Vesselstructure—WheretheWi-Fisignalpassesthroughavesselbulkheadoracoachroof,the
Wi-Fiperformancewillbeimpacted.Dependingonthematerialandthicknessofthestructurethe
impactmaybesevere;forexample,athicksteelbulkheadmaycompletelyblocktheWi-Fisignal.
•Radarmounting—Thetypeofinstallationcanimpactperformance;forexample,mountingona
solidsteelplatformwillhaveagreaterimpactonperformancethanmountingonabar-stylemount.
•Electricalequipmentandotherobjects—Anyobjectinthedirectline-of-sightbetweentheRadar
andMFDcanimpactWi-Fiperformance.Electrical,electronicandelectromagneticdeviceswill
haveagreaterimpactthanfurniture.
•MFDinstallation—MFDinstallationcanalsoimpactWi-Fiperformance;forexample,iftheMFDis
surfacemountedinasteelconstructiondash,theWi-Fiperformancewillbeimpacted.
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