radiotelephone

• radio-telephone, radio telephone

From radio +‎ telephone.

• Audio (US):

  (file)

radiotelephone (plural radiotelephones)

2. A device that allows two-way communication by means of a radio.
   • 2006 May 25, Leslie Feinberg, “Cops raid the Stonewall Inn”, in Workers World‎^[1]:

     The patrol cop with the radiotelephone remained outside the bar, as the rest of the cops entered the club shouting: "Police! We're taking the place!"

3. Synonym of mobile phone

radiotelephone (third-person singular simple present radiotelephones, present participle radiotelephoning, simple past and past participle radiotelephoned)

1. (transitive) To communicate by means of such a device.

• radiotelephone on Wikipedia.Wikipedia