BK Technologies (Relm) KAA0203EA
Speaker Microphone with 3.5mm Audio Jack, Emergency Button and Antenna Port
For RELM / BK KNG-P150, KNG2-P150, KNG-P400, KNG2-P400, KNG-P500, KNG2-P500, KNG-P800, KNG2-P800 radios
Antenna must be ordered separately