Dab tsi yog qhov siab tshaj plaws ntawm feem ntau Bluetooth 5 li?
Dab tsi yog qhov siab tshaj plaws ntawm feem ntau Bluetooth 5 li?

Video: Dab tsi yog qhov siab tshaj plaws ntawm feem ntau Bluetooth 5 li?

Video: Dab tsi yog qhov siab tshaj plaws ntawm feem ntau Bluetooth 5 li?
Video: tsis yog nqhis beer - tub zeb vwj new song 2023 ( npawg lem & xib fwb lee ) 2024, Kaum ib hlis
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Cov ntau tshaj plaws yog ntev dua

Cov Bluetooth 5 spec tso cai rau low-energytransmissions txi cov ntaub ntawv tus nqi rau ntau ntau . Ntau ntau ntau : mus txog plaub lub sij hawm ntau ntawm Bluetooth 4.2 LE, a siab kawg ntawm ib ncig ntawm 800 feet.

Nyob rau hauv txoj kev no, dab tsi yog qhov siab tshaj plaws ntawm feem ntau cov khoom siv Bluetooth?

Chav Kawm 1 khoom siv kis ntawm 100 mW nrog a ntau ntawm 100 meters los yog 328 ko taw. Chav kawm 2 khoom siv xa ntawm 2.5 mW nrog a ntau ntawm 10 meters los yog 33 ko taw. Feem ntau Bluetooth headsets thiab headphones yog hom 2 khoom siv.

Ib tug kuj yuav nug, dab tsi yog qhov siab tshaj plaws kis tau tus mob rau IEEE WLANs? Rau IEEE WLANs , cov siab tshaj plaws kis tau tus mob yog 200 milliwatts (mW).

Raws li txoj cai, hom xov tooj cua zaus kis tau los ntawm Bluetooth li cas?

Bluetooth siv ISM 2.4 GHz band zaus thiab siv Gaussian zaus hloov keying rau kev sib txuas lus. Qhov kev sib txuas lus nyob deb li ntawm 100 m lossis tsawg dua. Bluetooth technology tso cai wireless kev sib txuas lus ntawm hluav taws xob khoom siv.

Dab tsi yog hom kev tswj kev nkag mus rau wireless tshaj plaws?

Cov feem ntau hom yog Wi-nkaus kev ruaj ntseg, uas suav nrog Wired Equivalent Privacy (WEP) thiab Wi-nkaus Tiv thaiv Nkag mus (WPA). WEP yog tus qauv kev ruaj ntseg tsis muaj npe nrov: tus password nws siv feem ntau tuaj yeem tawg hauv ob peb feeb nrog lub khoos phis tawj yooj yim thiab cov cuab yeej siv dav dav.

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