1 x MOTOROLA HMN9054C GP340 PUBLIC SAFETY MIC - NEW. Part Number: HMN9054C. GP320 GP330 GP340 GP360 GP380 GP640 GP680 ect. Earpiece Shape: Speaker Mic. Mic & PTT: On the speaker mic. Product Details: This speaker mic is made from high quality, hard-wearing, durable and lightweight materials with wear resistant stress tested cabling to ensure a long life.
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