Closed User Group (CUG) is a supplementary mobile service that allows members within the same organization or group to make and receive calls exclusively among themselves. The service also supports SMS and may include additional data benefits, helping businesses improve internal communication efficiency.

SIM IoT is a dedicated connectivity solution designed for IoT and M2M devices, enabling secure, stable, and continuous data transmission. It supports remote monitoring, automation, and centralized management for large-scale business deployments.

With high reliability and enterprise-grade security, SIM IoT helps businesses optimize operations, reduce costs, and accelerate digital transformation.