Google is currently believed to have a new generation of its Nest-branded smart home speakers in the works. A device that looks like the same from a prior leak has been certified by the Taiwanese electronics regulator NCC. It may confirm the new device's model number, as well as its dual-band Wi-Fi.
https://www.notebookcheck.net/The-Google-Nest-Speaker-is-reportedly-cleared-for-launch-in-Taiwan.482304.0.html