antenna pcb 1.UL,ROHS,ISO,SGS,Layer:2-20 2. ... ,Line:3mil Immersion gold circuit pcb, pcba & fpc , multilayer pcb, antenna pcb Our Factory Manufacture Capability ItemManufacture CapabilityMaterialFR-4 / Hi Tg ... )-0.02’(0.5mm)ImagesMin Trace Width0.075mm (3mil)Min Space Width0.075mm (3mil)Min Annular Ring0.1mm (4 mil)Solder ...