User's Manual

User ʼ s Manual Wireless USB Adapte r
Page13
5.
5.
5.
5.Tips
Ti ps
Tips
Tipsfor
fo r
for
forWi-Fi
Wi -Fi
Wi-Fi
Wi-Fiusers
user s
users
users
WithaWi-Ficonnection,youcanroamabout150maroundtheaccesspoint(dependson
differentenvironment),sofindaspotwhereyoucanworkwithoutanyinterruption.Thensee
howmuchworkyoucando,suchas:

Easilyandquicklyreceiveandtransmitfileswithinyourlocalnetwork—noproblem
forbigfiles.

Accessyouremailandsurfthewebwiththesamespeedasthatconnectedwith
networkcables.

Synchronizedatabetweendevices.

Takeadvantageofwirelessprinting—sendfilesdirectlyfromyourlaptopPCtoa
wirelessprinteroverWi-Ficonnection.
6.
6.
6.
6.Warning
War ning
Warning
Warning
Wi-FioffersgreaterspeedandrangethanBluetooth,butitdrainsyourportabledevice
batteriesalotfasterthanBluetoothdoes.Infact,ifyouuseaWi-Ficonnectionregularlyon
yourlaptopPC,you'llundoubtedlynoticethatyouneedtorechargemoreoften.Ifyouneedto
conservebatterylife—onalongtripforexample—turnoffyourWi-Ficonnectionwhenyou
don'tactuallyneedit.
7.
7.
7.
7.Security
Secu rity
Security
Security
Becausewirelessnetworksrelyonradiosignalstotransmitdata,theyarenotassecureas
wirenetwork.Wirelessnetworksaresusceptibletovirusesandbreacheslikeeavesdropping
andneedtobeprotectedinordertobesecure.
Therearemanysecuritymeasurestosafeguardwirelessnetworks,protectthedata,and
keepunauthorizedusersout.Hotspots,ontheotherhand,areoftenfreeofstandardsecurity
practicesinanefforttomakeiteasyforanyonetoconnect.Itmaybefoundthatsomepay
hotspotsadministeredbyserviceprovidersofferhavesomelevelofsecurity,however,when
usingahotspot,it’salwaysagoodideatobeproactiveandtoemploysecuritymeasuresof
yourown.
8.
8.
8.
8.Key
Key
K ey
Keyterms
ter ms
terms
terms
Wi-Fi:
Wi-Fi:
Wi-Fi:
Wi-Fi:Shortfor“wirelessfidelity,”agenericlabelthatreferstowirelessnetworksor
networking.
Hotspot:
Hotspot:
Hotspot:
Hotspot:Aspecificgeographiclocationinwhichanaccesspointprovidespublic
wirelessbroadbandnetworkservicestomobilevisitorsthroughaWLAN.
Throughput
Throughput
Throughput
Throughput::
:
:
:Theamountofdatatransmittedinasetamountoftime.
Bandwidth
Bandwidth
Bandwidth
Bandwidth:
:
:
:theamountofdatathatcanbecarriedfromonepointtoanotherinagiven
timeperiod(usuallyasecond).
Chipset
Chipset
Chipset
Chipset::
:
:
:Agroupofmicrochipsthatexecutevariousfunctions(likememory)tosupport
theCPU.
Tx
Tx
Tx
TxPower
Po wer
Power
Power： Thet ransmitpowermeasuredattheterminalwithoutantennabeconsidered.
Shouldtheantennagainbeconsidered,theEIRPvalueismentioned.
1T1R,
1T1R,
1T1R,
1T1R,2T2R:
2T 2R:
2T2R:
2T2R:Thestreamchannel.1T1Rmeansonetransmitterandonereceiver.2T2R
meanstwotransmittersandtworeceivers.
Dual
Dual
Dual
DualBand:
Ba nd:
Band:
Band:Normallymeans802.11b/g/nor802.11a,whichoneworksin2.4GHz,and
otherworksin5GHz.