Piraeus Port Authority (hereafter named “Contracting Authority” or “PPA” or client) is seeking proposals from qualified Candidates, or legal entities, experienced in providing and deploying a 5G Mobile Private Network Infrastructure (5G MPN Infrastructure) in whole port area and relevant 5G based applications which including the 5G Port Capability Support Platform, 5G Smart Campus, 5G Smart Container Number Identification System, Green 5G Station, 5G Port Group Push To Talk, 5G Welcome Robot, 5G Remote Patrol UAV, 5G multi-dimensional Smart Interconnection, 5G Crane Remote Control, 5G Application Management Integrated System and other 5G innovative smart applications.