Download Data sheet: transition-ptt-for-mobile-radios-tech-spec ArticleNo/ P/N: TransPTT/NP/DM4000 Radiotype: DM4000 DM4000 connector, in-line PTT, w/2.5 mm PTT socket and NExus headset socket Price request Download Data sheet: transition-ptt-for-mobile-radios-tech-spec