High-frequency radar and 5G modules demand precise impedance control, low insertion loss, and phase-stable signal propagation across dense multilayer architectures. Any deviation in Dk/Df, surface roughness, or stackup alignment can lead to signal distortion, beam misalignment, and reduced link margin. RO5880 PCB laminates (Dk = 2.2 ± 0.02, Df = 0.0009 @10 GHz) provide ultra-low...


