Wireless Equipment
The pictures above are from www.freefoto.com
This shows where the network cable from the wired network is inserted.
This is a picture of a NetGear wireless access point.
This is a computer with a wireless access card in it. 
This LincSys wireless access point operates on the 2.4 GHz bandwidth.
These pictures show different views of a wireless card in a computer.

The bay in which a wireless card is inserted is also pictured.
This is a picture of an Apple AirPort Extreme Base Station.  This device can handle up to 50 wireless connections simulataneously.  Apple has been a real pioneer in wireless networking for several years.
Photo from www.apple.com