Re: [問題] 無線上網ieee去哪裡問?
※ 引述《babyboa (誰來帶我去上班?)》之銘言：
: 請問一下有誰知道IEEE802.11的a b g這三種標準有那些顯著的不同嗎?
: 我外國朋友寫的
簡單說 a和g都是54Mbps b只有11Mbps
然後 a是使用5GHz的頻段 b和g則是2.4GHz的頻段
: 看不懂拉!....>_<
: 1.In high speed or heavy usage environments
: 802.11b is quickly being replaced by a new standard
: 802.11g, which uses the same 2.4GHz radio band,
: but at 54Mbps, is almost five times faster.
: The third wireless network standard is 802.11a,
: which also runs at 54Mbps,
: but operates in the less-crowded 5GHz radio band.
: 2.802.11a: The IEEE standard that governs the deployment of 5GHz OFDM systems.
: It specifies the implementation of the physical layer for wireless UNII b.
: 802.11b:An international IEEE standard for WLAN networks,
: operating at 2.4GHz and providing a maximum data transfer rate of 11Mbps.
: 802.11g: A proposed standard that describes a wireless networking method for
: a WLAN that operates in the 2.4GHz radio band
: It transfers data at up to 54 Mbps.
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