This router is an ADSL router with wireless built in.
In plain English, it will work with BT Internet Broadband or any companies that provide their service through BT, which in the UK is most. It will not work with Virgin or other cable services.
It has 4 ports which allow you to connect up to four computers via a network cable. On top of that, you can connect wirelessly, so you are not limited to just four computers. Computers that are connected wirelessly, transfer data a lot slower than those connected by a network cable, although if you are accessing the internet, the internet speed will be slower than the wireless anyway. For technical people this is 802.11g which refers to the speed of the wireless connection.
The ADSL modem built in quickly and easily finds your internet connection, setting this router up could not be simpler, however, this has its drawbacks as well.
Instructions are simple to follow, it is easy to set up your internet connection. All I had to do was put in my username and password and I was off. Wireless connections all connected automatically.
This sounds good, however, the wireless should really be encrypted to stop your neighbours from joining your network, using your broadband and slowing your connection down. So you will need to set up some security.
There are two types, WEP and WPA. Both of these are older types, but setting these up, again is very simple. Changing the values can be a problem however and I don't recommend you ever change the values as there is a bug in the router which stops all security working. You will need to download and install a new update to the router and the update is available from the DLink website and is simple enough to do, however there are warnings that make it seem quite scary. You cannot do the update through the wireless connection for example, you need to do it through a computer on one of the 4 network ports.
The router seems to stop working every now and again. This may be a BT problem since a relative has the same problem with his Post Office modem. Resetting the modem is simple. In fact, you can log into the admin panel and reset it from there. So you can reset the modem from a wireless computer which is very handy.
It can be used to connect games consoles to the internet also, I have tried the PS2 and this works by using a network cable to one of the four ports.
As it is a router and not just a modem, each computer can communicate and share files between each other, so transferring data is easy as long as the folder is marked as 'shared'. (Right click and go to the sharing option on the menu).
You can share other items as well. I have a number of printers connected to a desktop. By sharing these printers, I can print from any other computer in the house to any of those printers.
I have had no problems with this router, other than the patch update I had to do. It seems well built (it is designed for office use).
It may have been around a while, but I could really recommend one of these if you are just getting into wireless or multiple computers sharing your internet connection.
As it has been around a while, if I were you, I would try eBay or another auction site to find one of these.