SonicWALL SonicPoint ACe - Radio Frequency Barriers

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SonicWallSonicPointACeGettingStartedGuide
Radiofrequencybarriers
DetermininghowtocircumventRFbarrierscanbea
challengingpartoftheplacementprocess,butRFbarrierscan
alsobeusedbeneficiallyinanattempttoblocksignalswhere
youdonotwantcoverage.The5GHzfrequencyismore
sensitivetoRFbarriers.Awallthatallowsa2.4
GHzwireless
networktooperatecanblocka5GHzone.
RFinterference
RFinterferencefromhome,office,andmedicalequipmentisa
commonchallengeinwirelessdeployments.
WhenconsideringRFinterferencesources,rememberthat 
mostcell/wirelessphonesandBluetoothdevicesonlyutilize
the2.4GHzfrequency.Assuch,theyshouldnotcause
significantinterferencewithwirelessnetworksoperatingin
the5GHzfrequency.
CommonRFbarriertypes
BarrierType RFSignalBlocking
Openair VeryLow
Glass,wood,drywall,cubepartitions Low
Floorsandouterwalls,aquariums
(brick/marble/granite/water)
Medium
Concrete,securityglass,wiremesh,
stack e dbooks/paper
High
Metalpartitions,desks,reinforced
concrete
VeryHigh
CommonsourcesofRFinterference
Interference
Source
PossibleRange BandsAffected
2.4GHzphones 100feet 2.4GHz
(802.11b/g/n)
Bluetoothdevices 30feet 2.4GHz
(802.11b/g/n)
Microwaveoven 10‐20feet 2.4and5GHz,
dependingon
shielding
Scientificand
medical
equipment
Shortdistance,
varies
2.4and5GHz,
dependingon
shielding