If you have a BT line, you need a modem and router, if cable, just the router. If your computer does not have wireless capability, then you need a usb wireless dongle to enable streaming to/from it. If playing games online, then a high speed router is required. You must have internet already subscribed, by either through BT or cable. I will set up the router for you, assign a network name and password and enable wireless surfing on your computers and wireless enabled mobile phones.
Print to a wireless printer connected to your network
Play Online games wireless
Share files between devices on your network
Surf the web in another room or even outside your house
Do you just have a modem connecting you to the internet? By going 'Wireless' for your internet, there are several advantages than being tied to a cable:
Solutions
Surf/Stream Internet Wireless
Copyright 2012 Polyhedral Solutions
Polyhedral
12 Newbury Ave, Blackpool, Lancashire, United Kingdom