Motorola Original PMMN4038A Remote Speaker Mic with IP57 Rating. Submersible. The IP57 is a higher rating than the standard IP54 that helps provide first responders with high reliability in emergency situations. The number "5" stands for the dust intrusion rating, or the capacity to withstand the effects of fine, abrasive dust particles. The "7" means a higher water intrusion rating.
Fits: XTS2500, HT1000 However this part was not tested with the Jedi (HT1000) radios.
