What is 5G RG (5G Residential Gateway)?

The 5G RG (Residential Gateway) is a node that provides the connection between the networked equipment which is placed within a home or small office to the 5G Core network and further it is connected to the Internet or the data network. 5G RG could support both wireline and wireless interfaces. It also supports the N2 and N3 reference points towards the AMF (Access and Mobility management function) and UPF ( User plane function) respectively. N1 reference point is also supported by RG which is used to pass NAS (Non Access Stratum). RG acts as User equipment with regard to the 5G Core which holds a secure element and exchanges various signaling messages with the 5G Core network.