You know, when you use the crane a lot, sometimes the signal showing on the crane monitor is not so stable. Usually I would just change for a new HDMI cable. Then I saw this,
https://www.youtube.com/watch?v=Mxx3e-JGTCU
The video looks too amateur and a little fuzzy, probably just shot by cellphone, but the thing looks interesting for me. I wanna give it try, but can't even find this on B&H, anyone now this damn BBDTECH?