i have replied these points based on their questions
1, the device port is HDMI 2.0,NOT 1.4(we have tested this HDMI 2.0 and also tested 4K Video at the 4K TV
are no problem.)
our head company is solution company, we have great ralationship with Rockchip
and they promised that will issue the video which the HDMi 2.0 working video to us.
2,dev board by Nagrace:brand is Firefly
3,5V/3A is better but little expensive,and 5V/2A is ok for common use,No 12V
thank you!
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