Is PDCP a layer 2? 31 March 2022 Enpatika.com Genel The 5G layer-2 include MAC, RLC and PDCP . The 5G layer-3 is RRC layer as shown in 5G protocol stack. The Figure-1 depicts 5G Protocol Stack consisting of both User Plane and Control Plane protocol layers. Sizin İçin Seçtik Which of the following functions is carried out by the LTE PDCP protocol layer?