希望大家能提出自己的问题,分享自己的知识和观点。
什么是Wi-Fi认证?
通过了Wi-Fi认证,您可以与任何地方的其它Wi-Fi认证产品建立连接,包括家中、公司、以及诸如机场休息室和咖啡馆之类的公共无线热点。Wi-Fi认证由Wi-Fi联盟管理,该联盟是一个非盈利性国际协会,专门负责对无线局域网产品的互操作性进行验证。目前,Wi-Fi联盟在全球共有202家成员公司,自2000年3月开始提供认证以来,已有604种产品获得了Wi-Fi认证。
不过,我个人认为WIFI验证就和那些什么“中华医学会”一些的认证是一样的,只要有钱,就能:)
无线设备之间能不能互相连接,最重要的就是看是不是使用的同一种网络协议。
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现在主流的无线网络种类
我说些自己的理解,不抄袭别的网站的了,说错了,大家别见笑:)
一 .802.11b 速率11M 频率2.4G HZ
二 .802.11a 速率54M 频率5G HZ
三 .802.11g 速率54M和11M,能兼容802.11b,频率回复到2.4GHZ,不兼容802.11A
现在主流的是这3种,以前的老款还有一种2M的,就是802.11,后面没有任何字母,速率只有2M。
如果只是想共享宽带或者游戏,那802.11B的设备就足够了。
如果还想共享DVD或者经常拷贝大容量的数据,那可以使用802.11a的设备,但要考虑到:802.11a不兼容另外2种协议,所以也无法和那2种设备互连。
如果不急于购买、使用,那还是等待802.11g,我们也倾向于802.11g
速度上是802.11b最慢,但在当前的使用广泛性来讲,这是使用最广泛的,很多人中包括中国电信在推广的设备全是802.11b的,所以,如果你想在公众型场合或者在朋友聚会的时候充分利用你的无线设备,那802.11b是你现在为止最佳的也是最经济的选择。
802.11a从目前情况来看,可以说是2头不着边,不兼容802.11b是最大的缺点。还有5GHZ的频率会导致使用距离比802.11b还要短,而且价格比802.11b要贵一些。
802.11g是我们认为最值得期待的产品,可惜现在价格高高在上,而且看了TOMS站上的硬件评测,发现目前同品牌之间的802.11g设备没有任何问题,但在品牌不同时会发生兼容性问题。
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你的无线产品获WIFI认证了吗?
WECA(Wi-Fi™)认证产品列表
关于无线以太网协会WECA(Wireless Ethernet Compatibility Alliance)
WECA成立于1999年,是一个一个非赢利的组织,目的是对Wi-Fi (IEEE 802.11b) 产品进行互操作认证,在全球范围内推广Wi-Fi ——不同市场应用的无线标准。
WECA一直在研究一套测试手段,以使成员的产品获得认证测试,这样,就可以与其他具有Wi-Fi 认证的产品进行相互间的通信。独立测试实验室——Agilent位于硅谷的网络实验室进行相关的测试,当一个产品成功地通过测试,这个公司就获得授权使用 Wi-Fi 商标。
这个测试确保了带有 Wi-Fi logo 的产品将能相互通信。WECA的成员资格是向所有支持Wi-Fi标准的公司公开的,包括已经是成员的的制造商,他们想要提交Wi-Fi产品,进行互操作测试。WECA 目前有80个成员(详情见www.wi-fi.org)。
已经获得Wi-Fi™ 认证的产品列表如下:
1.2Wire
• 2Wire HomePortal 1000CW 家庭网关
• 2Wire HomePortal 1000W
• 2Wire HomePortal 1000W 家庭网关
• 2Wire HomePortal 100W 家庭网关
• 2Wire HomePortal 1500CW 家庭网关
• 2Wire HomePortal 1500W 家庭网关
• 2Wire HomePortal 1600CW 家庭网关
• 2Wire HomePortal 1600W 家庭网关
• 2Wire HomePortal 2000CW 家庭网关
• 2Wire HomePortal 2000W 家庭网关
2.3COM
• 3Com 11Mb/s Wireless LAN 接入点 6000
• 3Com 11Mb/s 无线 LAN PC 卡(带XJACK 天线)
• 3Com AirConnect 11 Mb/s 无线 LAN 接入点
• 3Com AirConnect 11 Mb/s 无线 LAN 接入点 2.0
• 3Com AirConnect 11 Mb/s 无线 LAN PC卡
• 3Com AirConnect11 Mb/s 无线 LAN PC 卡 2.0
• 3Com AirConnect 11Mbps Wireless LAN PCI 卡
• 3Com 家庭无线网关
3.Acer
• Acer 接入点 Warplink 2412
• Acer IEEE 802.11b WLAN PC Card Model# Warplink 2411
4.Acrowave
• Acrowave AWL-1100C PCMCIA Card
• Acrowave Station Card PCI Model# AWL-1100P
5.Actiontec
• Actiontec 802.11 Wireless LAN PC Card
6.ORINOCO
• Access Point Model # AP-1000
• Access Point Model # AP-500
• ORINOCO PC Card - Gold
• ORINOCO PC Card - Silver
• ORINOCO USB Client 848623856
• ORINOCO WavePOINT-II Access Point
7.Ambit
• Ambit Station Card LAN-Express Model# T60L198
8.Apple
• Apple AirPort Base Station
• Apple AirPort Client Card
9.Askey
• Access Point RTW010
• Askey 11Mb/s Wireless LAN PC Card
Model # WLC010
10.Atmel
• Atmel PCMCIA Station Card Model# AT76C502
11. Bromax
• Bromax Station Card Model# BWE200-IF
12.Cisco
• Cisco Access Point #AIR-BR350
• Cisco Access Point Model Air-AP350
• Cisco Aironet 340 Series Access Point
• Cisco Aironet 340 Series PCI Card
• Cisco Aironet 340 Series Wireless PC Card
• Cisco Aironet 350 Series PC Card
• Cisco Aironet 350 Series PCI Card
13.Colubris
• Colubris Access Point CN100
• Colubris Access Point CN1000
• Colubris Access Point CN1050
• Colubris Access Point CN1054
• Colubris Access Point CN3000
14.Compaq
• Compaq Access Point Model# WL410
• Compaq Access Point Model# WL510
• Compaq Wireless PC Card Model# WL110
• Compaq Wireless PCI Card Model# WL210
• Compaq Wireless USB Adapter WL215
• Compaq WL100 11 Mb/s Wireless LAN PC Card
• Compaq WL200 11 Mb/s Wireless LAN PCI Card
• Compaq WL300 11Mb/s Wireless LAN Software Access Point
• Compaq WL400 11 Mb/s Wireless LAN Hardware Access Point
16.Dell
• Dell TrueMobile 1150 Series AP-1000
• Dell TrueMobile 1150 Series Mini-PCI Card
• Dell TrueMobile 1150 Series PC Card
17. PCMCIA Station Card LM-WP100RA
18.D-Link
• D-Link Access Point DWL-1000AP
• D-Link Wireless PC Card DWL-650
• D-Link Wireless PCI DWL-500
19.ELSA
• ELSA AirLancer MC-11 Station Card
• ELSA LANCOM Wireless IL-11 Access Point
20.EMTAC
• EMTAC 11Mbps WLAN PC Card A2424
21.RoamAbout
• RoamAbout 802.11b DS High Rate PC Card
• RoamAbout Access Point 2000
22.Eumitcom
• Eumitcom PC Card WL-11000-1
• Eumitcom PC Card WL-11000-P
23.
• Wireless Access Point Model No. FMWT-501 (In Japanese Only)
• Wireless LAN Card, Model No. FMV-JW181 (In Japanese Only)
24.Sun
• Global Wireless Access Point Model GL2411AP
25.Hewlett-Packard
• Hewlett-Packard Wireless LAN Mini PCI Card 802MIP
• Hewlett-Packard Wireless LAN Module 802UI
• Hewlett-Packard Wireless USB Station Model# P1980A
26.IBM
• IBM Access Point Model # 9085
• IBM Acess Point AP500
• IBM High Rate Wireless LAN PC Card - 12D4
• IBM High Rate Wireless LAN PC Card
Model # 09N9863
• IBM High Rate Wireless LAN/Modem Mini-PCI Card
• IBM PC Card Model 128
• IBM Wireless Station Model # 26P8030
27.Intel
• Intel PRO/Wireless 2011 LAN Access Point
• Intel PRO/Wireless 2011 LAN PC Card
28.Intermec
• Intermec 2101 Universal Office Access Point
• Intermec Access Point Model# 2100
• Intermec Access Point Model# 2102
• Intermec Station Card Radio Model 2126 PC Card Type II Integrated
• Intermec Wireless PC Card WL11000-1-5V
29.Intersil
• Intersil PRISM II® Station Card
Model HWB3163-04-Ref-Rev B5
• No Wires Needed 11 Mb/s Wireless LAN Enterprise Access Point
• No Wires Needed 11 Mb/s Wireless LAN PC Card
30.Kingston
• Kingston PC Card KNW-PCM11
31.Linksys
• Linksys Access Point Model WAP11
• Linksys Station Card Model WPC11
• Linksys Station Card Model WPC11 V2.5
• Linksys Wireless USB Adapter WUSB11
32.AirStation
• AirStation Access Point WLA-L11
• AirStation Access Point WLA-L11G
• AirStation Access Point WLAR-128
• AirStation Access Point WLAR-L11
• AirStation Access Point WLAR-L11G-L
• AirStation Access Point WLAR-L11-L
• AirStation Access Point WLAR-L11-M
• AirStation Access Point WLAR-L11-S
• AirStation Wireless LAN Card WLI-PCM-L11
• AirStation Wireless LAN Card WLI-PCM-L11G
33.NEC
• NEC Access Point Model #336-0106697
• NEC Access Point Model# 336-010732
• NEC Wireless LAN Card Model #136-277158
34.Netgear
• Netgear 802.11b Wireless PC Card / MA401
35.NextComm
• NextComm Wireless PC Card - Mirror Model# 700-0002
36.Nokia
• Nokia A030 WLAN Access Point
• Nokia A032 WLAN Access Point
• Nokia A040 Ethernet WLAN Adapter
• Nokia C110 Wireless LAN Card
• Nokia C111 Wireless LAN Card
37.Nortel
• Nortel e-mobility DSSS AP DR4000E02
• Nortel e-mobility DSSS PC Card DR4000001
• Nortel e-mobility DSSS PCI Card DR4000005
38.NTT-ME
• NTT-ME MN 128 SS-LAN Card 11
39.OTC
• OTC AIREZY-2411-PCC LAN Card
40.Proxim
• Proxim Harmony 802.11 PC Card Model# 8432
41.Psion
• Psion Teklogix Access Point Model Wireless Gateway 9150
42.Samsung
• Samsung SWL-2000N 11Mbps Wireless LAN PC Card
• Samsung SWL-2000P 11Mbps Wireless LAN PCI Card
43.Siemens
• Siemens Access Point I-GATE 11M I/LAN/S3129-K212-A
• Siemens PC Card Model # I-Gate 11M PC Card / V4411-Z9-X1
• Siemens PC Card Model # I-Gate 11M PCI / V4411-Z11-X1
44.Sony
• Sony Wireless LAN PC Card PCWA-C100
45.Spectrum
• Spectrum24® Access Point Model # AP4121
• Spectrum24® High Rate 11Mbps Access Point
• Spectrum24® High Rate 11Mbps Wireless LAN Adaptor Model #LA4121
• Spectrum24® High Rate 11Mbps Wireless LAN PC Card
46.Toshiba
• Toshiba Wireless Access Point WBG-1000
• Toshiba Wireless LAN Mini-PCI Card / PA3070U-1MPC
• Toshiba Wireless LAN PC Card / PA3064U-1PCC
47.Xircom
• Xircom Access Point Model APWE1100
• Xircom's PCMCIA Station Card CWE1100
48.ZCOM
• ZCOM LANEscape Wireless Station Card
Model # XI-300
[此贴子已经被作者于2004-5-27 15:38:16编辑过]
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