Nordic Mobile Telephone System NMT450 Technical OverviewNMT450 Overview.pdf Cellular Systems worldwide (1983) 1983 Cellular Mobile Map4.pdf ERA Digital Mobile Radio Briefing.pdfNMT450 System Description.pdfNMT450 Technical Review.pdf NMT450 Technical Specification - MOBILE.pdf NMT450 Technical Specification - BASE.pdf Categories: CommunicationsCommunication networks