Updated product sheet available

The Sparkwing product sheet has been updated! The main additions are: 

- The general specifications have been further elaborated (including details on the deployed frequences) 

- Several new Sparkwing models with their dimensions have been added.

- For all Sparkwing models the delivered power is now shown.

Please find the updated product sheet on the sparkwing main page under the 'Download' section at the bottom.