Motorola PMLN8083 comparable two-wire radio surveillance kit (black) for Motorola MXP600 TETRA Portable Radio.
Premium microphone, kevlar reinforced cable, medical grade coiled acoustical tube with earbud and connector for direct connection to MXP600 radios. One wire is a speaker with a coiled acoustical tube and ear bud. The second wire is a push-to-talk button/microphone.