4 layer high frequency Hybrid PCB

Layer count: 4layerBoard thickness: 1.6MM Outer Layer Copper Thickness: 1 OZInner Layer Copper Thickness: 1 OZMin.Drilled Hole Size: 0.20mmMin. Trace/Space: 3milSurface Finishing:ENIGTechnical Difficulties :22 Impedance
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PRODUCT INFORMATION

Layer count:    4layer
Board thickness:   1.6MM 
Outer Layer Copper Thickness: 1 OZ
Inner Layer Copper Thickness: 1 OZ
Min.Drilled Hole Size: 0.20mm
Min. Trace/Space: 3mil
Surface Finishing:ENIG
Technical Difficulties :22 Impedance