Relating to or employing radio-telephony.

Designating a data transmission link that is part of a public telephone network and is accessed by dialling or keying (either manually or…

Of, relating to, or utilizing a system of telephone dialling and signalling in which each digit and symbol is transmitted as a particular…

Of or relating to a mobile radio-telephone system in which the area served is subdivided into ‘cells’ (cell, n.1 21) each with one or more of its…