Motorola speaker microphone, model number PMMN4051A. This is an Intrinsically Safe (FM Approved) speaker mic. This microphone is water resistant and includes Windporting, Motorola's noise canceling technology ideal for high noise level environments. This mic also comes with a 3.5mm earphone jack, swivel clip and quick disconnect latch. Microphone is in excellent shape and guaranteed fully operational.
Radio models compatible with this mic:
GP900, GP9000, HT1000, JT1000, MT2000, MTS2000, MTX8000, MTX838, MTX900, MTX9000, MTX960, MTX LS, XTS1500, XTS2500, XTS3000 and XTS5000
EF Johnson models compatible with this mic:
5100 SERIES, 511X, 512X, 514X, 518X, 51SL ES and Ascend ES