Key Specifications:
Layers: 4
Finishing thickness: 1.35mm ±10%
Minimum width/spacing: 0.16/0.16mm
Minimum via diameter: 0.35mm
Surface finishing: ENIG
Specialty: FR4 PP is used in pressing
L1-2, L3-4: rogers 4350b
Outer layer characteristic impedance: 50Ω ±10%