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Wireless 101This web site is hosted FREE by Servin Mervin
WiFi or wireless networks work very well to transfer data from one place to another over radio without using network cables. There are three different Standards of Wifi that are commonly available, these standards are known as 802.11A, 802.11B, and 802.11G. Each standard has a valid use and the charactaristics and uses are as follows 802.11A Frequency 5.8 GHz Speed 56/108 MBPS Range The best performer as far as range goes by far Cost The most expensive by far as well with equipment starting above the AUS $350.00 mark 802.11B Frequency 2.4 GHz Speed 11 MBPS Range 802.11B is excellent for long range links Cost Equipment starts at around $150.00 802.11G Frequency 2.4 GHz Speed 56/108 MBPS Range G likes good clean signals. It's not good for long or weak links but it is still good over a few Km. Cost Equipment starts at around $150.00 but tends to be more costly than B overall Consumer WiFi equipment is designed for very short range use - typically within a building, however wireless data links are possible over many tens of kilometers. The wireless community utilises consumer wireless to the extremes of it's capabilities by using highly efficient antenna systems and well located access points to extend the range of WiFi equipment as much as possible. By linking WiFi access points together, it is the aim of the community wireless movement to achieve wide area coverage of linked local access points. |