RF filters based on shear vertical surface acoustic waves fabricated on silicon-based platforms are faster, cheaper, smaller, and more efficient

https://www.eurekalert.org/news-releases/1087268

"scalable, −46 ppm/°C temperature coefficient wide thermal range, operates at 7–15 GHz (above 6 GHz), insertion loss as low as 1.47 dB, 3-dB bandwidths up to 373 MHz, high signal fidelity, wide bandwidth balances speed/ coverage, k² ~ 8.9% electromechanical coupling... filtering too bulky for mobile, suffers at high frequencies. fragile. overcome using 128°Y-cut lithium niobate... 6G smartphones, routers, aerospace, autonomous systems, sensors, AI-powered applications, immersive extended reality, hyper-connected IoT"