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Hi Chris
It sounds like you have all the equipment already.
You will need a wireless modem (6250) connected to your ADSL. Your main computer acting as a server driving the modem. I use a Netgear 614 hooked to the main computer by LAN cable. All the other computers will then connect to the 614 by wireless. I don't bother too much about security just use mac addresses. Set up a network to talk to the server.
The range is about 50 metres and I have no trouble with four or five laptops and about the same number of PC's connected by wireless.
In the field when I go to Wiruna I have a bigpond " Elite" Next G gateway that distributes internet to all and sundry and I use one of my laptops as the server. The security there is handled by a "key" Which I supply to anyone who wants internet.
By the way the modems will also connect by existing LAN cables as well.
Barry
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