5G5G FundamentalsDraft — coming soon

Dual Connectivity

EN-DC and other 5G dual connectivity options explained - how a device connects to two base stations simultaneously for better throughput and mobility.

By Manas·5 min read·Updated 2026-07-18

This article is a placeholder. Full write-up coming soon.

EN-DC and other 5G dual connectivity options explained - how a device connects to two base stations simultaneously for better throughput and mobility.

What this article will cover

  • What dual connectivity (DC) means at the radio level
  • EN-DC (E-UTRAN New Radio Dual Connectivity) in NSA deployments
  • Master node (MN) and secondary node (SN) roles
  • Other DC variants: NE-DC, NR-DC
  • Benefits: throughput, mobility robustness, and coverage
5GDual ConnectivityRAN