Number of floors: 26

PCB size: 400 * 400mm

Plate: TG 180

Plate thickness: 6.5mm

Copper thickness: outer layer base copper 4OZ; Inner layer base copper 1OZ

Surface treatment: sinking gold

Minimum line width: 4mil

Minimum line spacing: 4mil

Minimum hole spacing: 10mil

Impedance types: 4 types

Impedance accuracy: ± 10%