Hello people, I've configured and setup my draytek Vigor 2862Lac and all is well using a 3g from three network, I have or I am about the get another 3g SIM from a different provider "o2" and I wonder if I need to configure any settings in the router to enable me to connect it to the internet? Do I have to setup any APN's or anything. Or do I just slot it in and away you go like I did with the one from three provider.

Many thank you's for your help peoples, P

According to the User Guide I can find, yes, you will need to set the "APN Name", "UserName" and "Password" to get it to work.
What setting you need will depend on what tariff you are on O2 with.
Other than that it "should" be automatic.

Neil..