Video: Muaj pes tsawg tus channel muaj nyob rau ntawm 802.11 networks?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Txawm hais tias 802.11b thiab 802.11g siv 2.4GHz zaus band rau kev taw qhia, qhov zaus tau muab faib ua 11 channels siv rau hauv Teb Chaws Asmeskas thiab Canada (qee lub teb chaws tso cai ntau npaum li cas 14 channel ). Table 1 qhia cov channel frequencies txhawb hauv Asmeskas thiab Canada.
Ib yam li ntawd, muaj pes tsawg channel nyob hauv 5GHz?
Qhov zoo tshaj plaws txog 5 GHz yoj (802.11n thiab 802.11ac) yog vim li ntawd ntau ntau qhov chaw pub dawb ntawm qhov siab dua, nws muaj 23 tsis sib tshooj 20MHz cov channel.
Ib yam li ntawd, puas yog 40 MHz zoo dua 20MHz? Kev cuam tshuam tsis tshua muaj teeb meem hauv 5GHz band tshaj hauv 2.4GHz band. A 40 MHz channel qee zaum hu ua dav channel, thiab a 20 MHz channel yog ib tug nqaim channel.
Ua raws li qhov no hauv kev txiav txim siab, muaj pes tsawg cov channel nyob hauv 2.4 GHz?
Feem ntau hu ua tus 2.4 GHz ceev band, qhov no spectrum yog qhov siv dav tshaj plaws ntawm cov bands muaj rau Wi-Fi. Siv los ntawm 802.11b, g, & n. Nws tuaj yeem nqa qhov siab kawg ntawm peb qhov sib tshooj cov channel.
Tus qauv 802.11 tam sim no yog dab tsi?
802.11 ib: 54mb txheem , 5 GHz signaling (pom zoo 1999) 802.11 ib: 3.46gbps txheem , txhawb 2.4 thiab 5GHz zaus dhau los 802.11 n. 802.11 ua: 6.7gbps txheem , 60 GHz signaling (2012)
Pom zoo:
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