ARC S11045 Heavy Duty Speaker Microphone fit Motorola Dual Pin. 

PRODUCT FEATURES:

• IP54 Rated Dust&Water Protection
• 3.5mm Sealed Audio Jack for Earpiece
• RJ-45 Field Repairable Cable
• High Impact Resistant Polycarbonate Enclosure
• Knowles Microphone
• DuPont Kevlar Fiber Reinforced Cable

Fits:
GP900, GP9000, HT1000, JT1000, MT2000, MTS2000, MTX8000, MTX838, MTX900, MTX9000, MTX960, MTX-LS, X1500, XTS1500, XTS2000, XTS2500, XTS3000, XTS3500, XTS5000, PRI500