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Amazon.com: HQRP 4-Pack 2 Pin PTT Mini Speaker Mic Compatible with Kenwood TH-77, TH-77A, TH-77E, TH-78, TH-78A, TH-78E Sun Meter : Electronics
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Single Wire Acoustic Tube Surveillance Earpiece Headset for Kenwood TH-77A Two Way Radio - Walmart.com
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