What is Wireless Networking?

• Wireless Networking is simply

– Transmitting data between devices using radio waves

• Broadcast Television Stations and Radio Stations

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What is Wireless Networking?

• What does wireless “B”, and “G” mean?

– Wireless “B” – 802.11b

• Data Transmission speed of up to 11Mbs

– Wireless “G” – 802.11g

• Data Transmission speed of up to 54Mbs

Advantages of Wireless Networking

• NO WIRES!

– No crawling in the attic to hang wires

• Easy to change configuration

– Move a computer from one room to another or between floors

• Easy expandability

– Add new computers and wireless printers to the network

• Lower cost associated with a changing environment

Disadvantages of Wireless Networking

• Prone to interference

– Many portable telephones and some cellular phones

– Some kitchen appliances

– Some structural materials degrade signal

• Distance from Access Point

– Some buildings have poor signal transmission distances

– Building can have “Cold” spots where no signal can reach

• Poor Security

Computer Corner

For a copy of today’s presentation,please visit

www.cbrsec.comand follow the KIIITV link

Please email your questions to:David A. Abarca at

dabarca@delmar.edu