The Anytone 779UV is also the Radioddity DB20G, and Retevis RA25. The hardware is all the same. All of the radios can access 136-174 MHz and 400-490 MHz by going into the setup and changing the configuration.
Links:
https://fccid.io/2AN62-DB20G
https://fccid.io/T4K-779UV
https://fccid.io/2ASNSRA25