ThinkPad Quectel RM520N-GL 5G M.2 WWAN Module for X1 Carbon Gen 12/T14 Gen 5 is a 5G NR/LTE-FDD/LTE-TDD/UMTS/HSPA+ wireless communication module with receive diversity. It provides data connectivity on 5G NR SA and NSA, LTE-FDD, LTE-TDD, DC-HSDPA, HSPA+, HSDPA, HSUPA and WCDMA networks. RM520N-GL is a standard M.2 Key-B WWAN module.