radiophonic Pertaining to or designating synthetic sound produced by electronic means and the use of tape recorders, usually for use in broadcasting in conjunction with conventional material. Found on http://www.wordinfo.info/words/index/info/view_unit/2737/17
1) Radiotelephonic 2) Wireless 
radiophonic Pertaining to or designating synthetic sound produced by electronic means and the use of tape recorders, usually for use in broadcasting in conjunction with conventional material.