smdtranz New member Joined Jan 15, 2011 Messages 4 Location Ukraine, Kyiv Oct 19, 2014 #1 Hi there. I found this RF boards from GSM base stations or some similar devices. Help please how much gold yields? Or which thickness of plating. It's going white (nickel underlayer maybe) when I scratch plating with small strength. Thanks to all. Attachments SAM_3214.JPG 327.7 KB
Hi there. I found this RF boards from GSM base stations or some similar devices. Help please how much gold yields? Or which thickness of plating. It's going white (nickel underlayer maybe) when I scratch plating with small strength. Thanks to all.