Wireless network is one kind of network where computer is not
connected by any kind of cables. It is a telecommunication method,
in which you can avoid the cost of cable installation. This
network is getting popular now-a-days due to easy set up feature.
There are four type of wireless network:
Wireless PAN: Personal Area Network can interconnect persons within a shorter range. For example, Bluetooth of mobile set can provide data to another set within a shorter range.
Wireless LAN: It's a network in which two or more devices link by using wireless distribution method. It can work within a larger area than PAN.
Wireless MAN: Metropolitan Area Network is a type of wireless network in which several wireless Local Area Network are connected.
Wireless WAN: Wide Area Network is a network which covers a large outdoor area. This network can be used to connect branch offices of business.