Did you know ISAF has been carrying out air missions to destroy Taliban radio towers? You do now, thanks to Thomas Wiegold's blog. Specifically, Task Force Palehorse includes UAE Apache Longbow attack helicopters and American Kiowa Warrior reconnaissance helicopters, plus (according to comments) German ELINT specialists. And they go out and identify Taliban radio networks, and kill them.
There's much interesting stuff for German-speakers in comments, notably that the technologies include old fashioned VHF, pirate GSM, and possibly other systems as well, that the relays are often solar-powered, and that the Taliban are significant users of IMSI-catchers - fake GSM/UMTS base stations used to monitor mobile phone activity.
So are the Germans, in order to prevent leakage from their own camps. The British have been using ruggedised, highly portable small cells for some time to stop soldiers using the Afghan GSM networks, for fear both of security leaks and also that (as in Iraq) their relatives in the UK might get nasty phone calls.