... PCB with Gold Finger, Blue Solder Mask, Vias Plugged with Solder Mask, RoHS Compliance. 2-Layer PCB,Gold Finger, ... Blue Solder Mask,Vias Plugged with Solder Mask,RoHS Compliance. ... Gold, Immersion Tin, Immersion Silver, OSP,Gold Finger, Peelable Mask, Carbon PrintingMaterialFR4, ROGERS, Taconic, ARLON, BT, Ceramic, Aluminum 2-Layer PCB with Gold ...