There are two main types of broadband in the UK, ADSL and Cable. When you buy a Wireless G router, you should to make sure that it is compatible with the type of broadband that you have.
ADSL Wireless G Router
An ADSL Wireless G router is a Wireless G router that is made for an ADSL broadband connection. ADSL broadband is the most common type of broadband in the UK. This includes most of the big name broadband providers including TalkTalk, AOL, Tiscali, Orange, BT and PlusNet.
You can also buy an ADSL modem with a wireless G router. This is an integrated, all in one, wireless G modem router, therefore you will not need a separate ADSL modem.
Wireless G Cable Router
If you have a cable broadband connection and want to take advantage of the wireless G (802.11g) standard, then you need a wireless G cable router. Some wireless routers will be suitable for cable and ADSL broadband. You can also buy a dedicated wireless router for cable.