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Wouxun KG-UV3D: Failure 3 PCB
For completeness, here’s the inside of the most recent Wouxun KG-UV3D radio failure:

Wouxun KG-UV3D – failure 3 – PCB The build quality has definitely improved since the previous radios in 2011:

Wouxun KG-UV3D – PCB overview There’s still plenty of flux to go around, but it’s not nearly as crusty as before.