3-wire-surveillance-kit-man

Earpieces and Surveillance Kits. Which is right for you?

1, 2 or 3 Wires? What’s the difference, what’s the function of each, and which is right for you? 1 Wire Earpiece. From the connection on the two way radio there is one wire that leads to a PTT/Microphone(Push-to-talk), usually… Read More ›

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