... impedance control,3BGA;Certificates:CQC,ISO.TS16949,SGS,ISO9001,UL,ISO.14001,ROHSDelivery time:sample 3-5days,mass production ... :10-14days;Package details:vacuum pcb,inside bubble all inside, ... cartoon,ties outside strengthening;10 layer pcb circuit boards structureTop silkscreen/LegendTop Surface finishingTop ...