Protoelectric Communication Socket Board Gold Fingers PCB, Single-Side, Double-Side PCB, High Frequency PCB, PCB Process, OEM PCB Manufacturer Product type: Protoelectric Communication Socket Board Application Field: Communication Layer/Board Thickness: 8L/1.6mm Surface Finish: ENIG + Gold finger Trace/Space: 4/4mil Smallest Hole Diameter: 0.2mm Technical Feature: Short/Long Gold Finger Structure, High Precision Outline PCBMAIN can not only produce this kind of protoelectric communication socket Board, but also wholesale PCB board including gold fingers PCB, single-side, double-side PCB, high frequency PCB, PCB process, OEM PCB. Protoelectric Communication Socket Board