David Clark Co. model C3021, part #18667G-20 headset adapter for use with Motorola Spectra or Astro Spectra series mobile radios.  This adapter is designed to be compatible with select David Clark headsets (H3330, H3530, H3430, H3440 and a few others).  This adapter is lightweight, belt worn incorporating a Motorola Spectra or Astro Spectra interface cord.  This adapter cannot be used with any other mobile radio.  It is model specific.  The adapter has been re-conditioned by the David Clark Company and comes in it's original box.  For the person who has a Spectra or Astro Spectra radio and wants to use it with a headset, this is the answer.  HEADSET  IN  PHOTO  IS  SHOWN  FOR  EXAMPLE ONLY.  IT IS NOT INCLUDED IN THE SALE.

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