1. Engineering Overview — Material-Driven Signal Reliability for 5G Smartphones As 5G smartphones evolve toward multi-antenna, wide-band, and ultra-compact RF front-end architectures, PCB materials play a decisive role in ensuring signal alignment and thermal stability. The TLY-5 PCB, a PTFE-glass composite laminate from Taconic, provides excellent dielectric uniformity (Dk = 2.2 ± 0.02, Df...











