Directivity: Omni-directional. Fits Cobra CB Radio models 18 WX ST II, 19 DX IV, 25 LTD, 25 LTD ST, 25 LTD WX, 25 NW ST, 25 WX NW ST, 29 LTD, 29 LTD ST, 29 LTD WX, 29 NW ST, 29 WX NW ST, 148 GTL and 148 NW ST.
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