Sigtronics PRA-503 - TK-220, 240, 250, 260, 270(G), 272G, 320, 340, 350, 353, 360, 370(G), 372G, 430 431, 2160, 3160 models. Connects between the Sigtronics’ headset and your portable hand-held radio and allows two-way radio communications via the headset. The adapter consists of a belt clip box, which contains a radio push-to-talk switch, a standard headset jack, and a portable radio interface cable. To use, simply unplug your headset from the emergency vehicle and plug it directly into the Portable Radio Adapter. One year parts and labor warranty.
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