1)10-layer HAL PCB for communication board 2) board thickness:1.6mm 3)Certificate:UL, ... ROHS,REACH,ISO9001,T/S16949 1)10-layer HAL PCB for communication board2)surface finishing:immersion gold3)board thickness:1.6mm4 ... SPACING0.075mmPROFILE SIZE TOLERANCE±0.1mmPROFILEMILLING MOULDING V-CUT CHANFERCOATINGHAL, LEAD FREE HAL, ENIG/IMMERSION GOLD, OSPSOLDER MASK COLORGREEN, BLUE, BLACK, WHITE ...