LISA-U2 series - 3G HSPA+ modules with 2G fallback
The LISA-U2 is End-of-Life:
Last Time Buy (NCNR) was 04 August 2022
Last Ship Date before 04 February 2023
The recommended replacements are the LARA-R6 and the LENA-R8.
The u-blox cellular product overview provides a useful guide to the technologies used, product selection, product grades and advantages of u-blox cellular modules.