1. Engineering Overview / Abstract With 5G base stations evolving toward compact, high-frequency mmWave arrays, PCB miniaturization and phase-aligned interconnects are critical for maintaining signal fidelity and network efficiency. Megtron 7 PCB substrates, featuring Dk = 3.45 ± 0.03 and Df = 0.0015 @ 10 GHz, enable low-loss transmission and consistent dielectric behavior across...


