long range walkie talkies DTMF/VOX,voice scrambler emergency alarm function channel scan Chinese/English voice ... prompt we manufacture walkie talkies,two way radio, interphone, scrambler function, vhf radio with multifunction and top quality.HLT- ... Channels CTCSS/DCS DTMF/ VOX Function scan channel /voice scrambler PC Programmable wire clone Function Emergency Alarm Function Chinese/English ...