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MgNB - Master gNB

A device operating in 5G DC (Dual Connectivity) or NE-DC (NR – E-UTRA Dual Connectivity) identifies the Master RAN node as the “Master gNB”. As such, it connects to the 5GC via the N2/N3 interfaces, as well as to the Secondary RAN node via the Xn interface.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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