This forum is build and moderated by D-Link North America and NA devices don't support the 3G function.
Only EU and WW firmwares have 3G activated so perhaps you may ask D-Link UK support directly for a list.
(Even if the new european support portal is pure s****, you should be able to reach them through)
Edit: OOOps, think I tried the wrong word to describe the quality of the new portal
