This band, known as the "UL n39", is a supplemental uplink band operating from 1880 to 1920 MHz. It was allocated for use in China, and matches the FDDFDD: A communication technology that uses separate frequency bands for transmitting and receiving operations. This technique enables simultaneous bi-directional communication by allocating one frequency band for upstream (transmission from the user equipment to the base station) and another distinct… uplink frequency of the n39 band. The n98 band was introduced in the 3GPP Release 17.0 in January 2021.
