Heavy Duty Lapel IP67 Speaker Mic with 3.5mm Jack for Motorola EF Johnson Radios. Compatible with Motorola GP900, GP9000, HT1000, JT1000, MT2000, MTS2000, MTX8000, MTX838, MTX900, MTX9000, MTX960, MTX-LS, XTS2500, XTS3000Astro, XTS3500, XTS5000, XTS3000, PR1 500, XTS1500. MX838, EF Johnson: Viking VP600, VP900, Viking Fire, Viking CK8500 Series, Avenger 8100 Series, 51 Fire ES, 5100 ES Series, 51SL ES Series, 51LT ES, Multi-NetAscend ES Series, and AN/PRC 127EFJ Two-Way Handheld Radios.
Heavy Duty (SM4W) lapel speaker microphone. Specialized cable for flexibility in various temperatures.Molded stress relief at connector and microphone.