PCB type : Multilayer PCB 

PCB Layer：8 layer 

PCB material: FR4 TG170 

PCB thickness: 1.6mm 

PCB copper thickness: 1oz

PCB via size: 0.2mm 

PCB track/gap: 4mil/5mil 

PCB outline:  Routing 

PCB solder mask : green

PCB silkscreen: white 

PCB technology:  Multilayer PCB, hard gold plating PCB

PCB surface: ENIG