wireless telephony
/ˌwʌɪələs tɪˈlɛfəni/ /ˌwʌɪələs tɪˈlɛf(ə)ni/Now chiefly historical
noun
Telephony in which the signal is transmitted by radio waves rather than over wires; = radio-telephony.
Origin
Late 19th century; earliest use found in Naugatuck (Connecticut) Daily News. From wireless + telephony.