Not sure whichor is best for Hudl Sideline? We've done our research.
End Zone System
HD Endzone Cam
This system works smoothly with Sideline and comes with a camera. It's a setup that was built by coaches, for coaches. Contact them directly to get yours.
On a budget? This camera has great consumer reviews and provides good film quality. Find it for $195 here.
Canon Vixia HF R70/72
For a Canon that fits into the budget, check out the HF R70/72. It'll give you exactly what you need, with 1080p resolution. Find it for $330 here.
Canon Vixia HF G20
This is a high-end Canon that's sold with quite a few end zone systems. It records high-quality film and offers optical zoom in addition to digital zoom. Find it starting at $770 here.