Code Country Standard Startup Subscribers Subs Date Operator U.S. Partners Vendor Coverage Other JA-21 Japan PDC-1.5GHz 1994 1,308,000 6/95 Daini Denden Motorola nationwide except Tokyo,Nagoya JA-21 Japan PDC-1.5GHz 1994 1,308,000 6/95 Daini Denden NEC nationwide except Tokyo,Nagoya