Pryme SPM-3313
Heavy Duty 3-Wire Surveillance Kit with Micro Lapel Microphone and Twist Connect Acoustic Tube Earphone
Fits Motorola's unique 1-pin that screws into jack. Used mostly with Motorola BDN6676 and HLN9717 adapters or Pryme PA-BDN6676 and PA-HLN9717 adapters
Meets U.S. Department of Defense environmental standard MIL-STD-810 C, D, E, F, G More...