Hi Jens Lewald,
We have an article on limiting the Upload's speed, which you can find
here. Currently, we have no functionality to check for the bandwidth or the connection's speed.
Kind regards,
Alex Fidanov
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the
Telerik Public Issue Tracking system and vote to affect the priority of the items