1.RF PCB boards in FR4 2.PCB Factory direct 3.High ... ,ROHS,ISO9001. 5.Accept prototype,small,middle lot. 1. Professional RF PCB boards manufacturer2. Immersion gold can meet Rohs3. FR4 substrate ... : FR4, High TG FR4,Halogen Free material,CEM-1, Rogers, HF material, etc. Layer counts: 1-16 layers Finished Copper Thickness ... that your requirements will have our best and prompt attention. RF PCB