Hytera / HYT, TC-320, TC320 two way radios. Impact S1W-EH5-MP Silver Series 1-Wire Surveillance Kit with Micro In-Line Push-To-Talk (PTT) and OEM Style Swivel Ear Hook. The S1W is best suited for those that only need to wear the Push-To-Talk (PTT) and microphone on their shirt collar or lapel.
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