AirCards muab kev sib txuas hauv laptop hauv internet
Thaum koj tsis nyob ze Wi-nkaus qhov chaw kub, thiab koj yuav tsum tau txuas mus rau koj qhov chaw ua haujlwm, koj siv tau AirCard nrog koj lub laptop mus saib tau hauv internet. Lub AirCard muab internet nkag rau txhua qhov chaw uas koj siv tau koj lub xov tooj ntawm tes.
Ib lub AirCard yog hom wireless modem siv los txuas xovtooj rau kev siv internet los ntawm tes hauj lwm ntawm tes . AirCards muab kev nkag mus rau hauv internet ntawm laptop computers uas nyob sab nraum ntawm ntau qhov Wi-nkaus kub pob . Lawv kuj siv tau ua lwm txoj hauv kev xa xov tooj hauv tsev hauv tsev hauv cov chaw deb nroog lossis lwm thaj chaw uas tsis muaj kev pab cuam hauv internet uas muaj kev kub ceev. Lawv feem ntau xav tau ib daim ntawv cog lus nrog ib lub lag luam ntawm tes ntxiv nrog rau koj daim ntawv cog lus ntawm tes.
Hom AirCards
Yav tag los, cov neeg muab kev pabcuam hauv cellular network feem ntau yog khwv tau thiab qee zaus tau hloov cov khoom siv wireless nrog cov ntawv cog lus ua haujlwm. Hauv Teb Chaws Asmeskas, Piv txwv, AT & T thiab Verizon siv khoom los ntawm Sierra Wireless txawm tias lawv raug hu ua "AT & T AirCard" thiab "Verizon AirCard." AirCards tseem muaj los ntawm cov lag luam loj xws li Netgear thiab Sierra Wireless.
AirCard wireless modems tuaj nyob rau hauv peb daim qauv ntawv yam, thiab lawv xav tau ib qho chaw tshaj tawm los sis qhov ntawm lub laptop ua haujlwm zoo.
- PCMCIA PC Card yog tus qauv xovtooj uas yog tus qauv cellular modem rau cov computers.
- ExpressCard muab kev ua kom zoo tshaj nyob hauv bandwidth dua PCMCIA daim ntawv hloov nws.
- USB modem muab cellular connectivity rau txhua lub computer nrog USB chaw nres nkoj.
Wireless modems siv ib los yog ntau tshaj ntawm cov kev sib txuas ntawm cov cellular network. Lub dav hlau qauv AirCards xa 3G / 4G LTE broadband-zoo ceev hauv zos thiab 3G ceev hauv ntau qhov chaw deb nroog.
AirCard Speeds
AirCards txhawb ntau nqi ntau dua cov kev sib txuas lus. Txawm tias ntau AirCards muaj txog 3.1 Mbps cov ntaub ntawv rau kev lag luam thiab nce txog 1.8 Mbps rau uploads, cov xov tooj tshiab ntawm cov xov tooj ntawm tes txuas mus txog 7.2 Mbps thiab 5.76 Mbps. Txawm tias cov AirCard cov ntaub ntawv tsis tshua muaj nqis rau hauv kev xyaum yog qis tshaj qhov theoretical maximums, lawv tseem nyob deb tshaj qhov kev sib tw ntawm kev sib txuas.
Cons ntawm Kev Siv AirCards rau Internet Txuas Txuas
AirCards yuav raug kev txom nyem los ntawm high -latency network uas qee zaus txawm tias siab tshaj qhov kev sib txuas ntawm dial-up, tab sis raws li kev txuas ceev tau zoo lawm, li ntawd, muaj qhov teeb meem latency. Tshwj tsis yog tias koj nyob rau ntawm qhov kev sib txuas ntawm 3G / 4G, cia siab tias yuav muaj kev lag luam thiab qeeb teb zaus thaum loading webpages dua ib qho kev txuas AirCard. Kev ua si hauv network feem ntau yog tsis ua tau ntawm AirCards rau qhov laj thawj no. Feem ntau cov AirCards tsis tuaj yeem sib tw nrog cov theem kev ua haujlwm hauv DSL lossis cable broadband , tab sis cov neeg tshiab tshaj plaws xa cov sib npaug zos rau lawv cov chaw muab kev pabcuam hauv cellular, uas nyob hauv qee lub sijhawm yog kev siv internet.