Part Number: PMMN4051 PMMN4051B. XTS1500 XTS2250 XTS2500 XTS3000 XTS3500 XTS5000. Handheld Speaker Microphones for Portable Two-Way Radios: (as follows). 1 x Speaker Microphone. The microphone features a 3.5mm audio jack on the side, and a 3.5mm threaded audio jack is also available at the radio interface.
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