... this series circuit. 4 layer Blind Via pcb board, one side of the hole in the board surface, and then through to the ... ,CER-10,RF-30,TLA-35)Arlon high frequency pcb boardISOLA high frequency pcb board Specification:FR-4 material is a fire code ... :CE,ROHS,FCC,ISO9008,SGS,UL 4 layer High Tg pcb board represents: a high heat resistance. Usually high Tg of 130 ...