Qualcomm and TDK have clubbed together to acquire a remaining interest in the Singaporean body RF360 Holdings. This has enabled the 2 companies to produce a new kind of multi-mode radiofrequency front-end (RFFE) filter. It may contribute to improved switching between 4G and 5G in the Qualcomm modems of the future.
https://www.notebookcheck.net/Qualcomm-and-TDK-collaborate-to-deliver-a-more-complete-4G-5G-system.434889.0.html