Key component could help make 6G a reality inside your smartphone — zero-power adjustable filter set to revolutionize wireless communications on Frequency Range 3 Band

Engineers from the University of Pennsylvania have developed a new adjustable filter that could revolutionize wireless communications and pave the way for the next generation of cellular networks, including 6G. 

The filter, described in a paper published in Nature Communications, can successfully prevent interference in higher-frequency bands of the electromagnetic spectrum.