TKLR Series: TKLR T3, TKLR T4, TLKR T5, TLKR T6, TLKR T7, TLKR T8. Covert Security Acoustic Tube Earpiece Lapel Mic. PTT for Motorola TKLR T4 NEW. ( Hidden microphone inside PTT button ). Hidden microphone inside PTT switch.
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