RADIO HANDSET by Metro Digital Resources Librarian • April 14, 2016 A device similar in appearance to a telephone, equiped with a push to talk (PTT) button which must be pressed to transmit. Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related