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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.


The IEEE's 802.11g standard is designed as a higher-bandwidth - 54M bit/sec - successor to the popular 802.11b, or Wi-Fi standard, which tops out at 11M bit/sec. An 802.11g access point will support 802.11b and 802.11g clients. Similarly, a laptop with an 802.11g card will be able to access existing 802.11b access points as well as new 802.11g access points.

However, products based on the 802.11g standard won't be available until at least mid-2003. And if you're looking for a higher-speed alternative to 802.11b, 802.11a products are out now and offer top speeds of 54M bit/sec. The main drawback with 802.11a is a lack of interoperability with 802.11b devices as well as 802.11a's network interface cards (NIC) costing 50% more and its access points being priced 35% more than their 802.11b counterparts.

From The ABGs of wireless LANs, Network World, 05/20/02.

Also see 802.11b, 802.11a

Additional Resources

Topic: Wireless/Mobile
Latest news, analysis and opinion from Network World Fusion.

Tech Insider: Wireless LANs
Compares the three 802.11 standards and looks at wireless security issues.

There are 4 comments:

By kiki

woh to maximize the power of signal 802.11g?

ADSL 2 & ADSL 1 in Egypt
By Ahmed

The ISPs providers telling me that the Netgear router is not going to work in Egypt because of the different technology.ADSL1 & ADSL2.

help me
By hamed

hi. thank you for these writings. i have a problem. my wireless usb card is airlive.
it is 802.11g. guide me wether i can connect to 802,11b without record my mac adress by administrator of network?
plaese provide me with your valuble guides

By Danny Sy

As a technical practitioner, it is worth to know the operating frequencies of this wi-fi standards. At any rate, your site is of great assistance to surfers and knowledge hungry techs. Congratulations! More power!

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