FR-4 vs Rogers RO4003C — Break-Even Calculator

See the insertion-loss gap and cost trade-off for your design before you commit a material. Estimates anchored to 10 GHz published figures.

Loss model scales conductor+dielectric loss with √f from anchor values (FR-4 ≈0.8 dB/in, RO4003C ≈0.21 dB/in at 10 GHz). Cost: Rogers ≈3–5× FR-4 raw. Indicative only — request a quote for exact figures. Sources: industry material surveys; Rogers / IPC data.