{TAIL ~ a microphone} for readily facilitating {HEAD ~ two way conversation} utilizing said cellular module; and 
{ TAIL ~ a microphone } for readily facilitating { HEAD ~ two way conversation } utilizing said cellular module ; and
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH