联系人 Ms. Joyce
Futian district, Shenzhen, Guangdong
4 Layers PCB for Blue Tooth Application: Blue Tooth Layer count: 4L Surface finish: Immersion Gold *****:FR4 Finished board thickness:0.6mm Finished copper thickness: Hoz Unit Dimension:*8.*5**5.*6mm Minimum drill diameter:0.2mm Minimum line width/ space:3.5/3.5mil Remarks: Impedance