ISOLA FR408 PCB is mid loss, epoxy laminate and prepreg, isola fr408 is a high-performance FR-4 epoxy laminate and prepreg system designed for advanced circuitry applications. The PCB material TG of FR4 is usually 130 and 180 or higher. For example, the practical frequency of can reach 10G.
Hybrid PCB
Rogers RO4350B Hybrid PCB
6L · RO4350B + FR4 · 0.25 mm

Technical specifications
Build parameters for this board.
| Layers | 6 |
| Hybrid press | RO4350B + FR4 |
| Backdrill | 0.25 mm |
| Application | Radar front-ends |
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