Compatible with Cobra models:
CB-507 DM-507
7 ULTRA, 18 ULTRA, 19 ULTRA, 19 LTD II,19 DX, 21 LTD CLASSIC, 25 LTD CLASSIC,
29 LTD CLASSIC, 21 LTD WX, 25 LTD WX, 29 LTD WX, 93 LTD WX, 146 GTL,148 GTL,
Also fit most Uniden models with 4-Pin screw-on connecter