2GHz-band cordless telephone system
K. Yamada, Satowa Naka, A. Nishiyama, T. Miyo · 1979
Generaly, the cordless telephone has the function to eliminate the telephone line by using the radio so the operator can use the telephone anywhere in the service area of the radio without a limit of the telephone line. This paper describes about the cordless telephone using 2GHz-band and having the same functions as that of the ordinary telephone.