What are NB-IoT network operators' NB-IoT SIM cards?
Last Updated on:2023-01-30 09:45:36
By working mode, NB-IoT SIM cards are classified into PSM, DRX, and eDRX SIM cards. By specifications, NB-IoT SIM cards are classified into common pluggable SIM cards and mounted SIM cards (eSIM).