Compatible Models GP328 & GP338 Series, GP328 Plus & GP338 Plus Series, GP329 & GP339 Series, GP329 Ex & GP339 Ex ATEX Series, GP329 Plus & GP339 Plus Series -, CB PRO Plus Portable, CP476 Portable, GP328LS & GP338LS Series, GP338 XLS Series -, PTX700 & PTX760 Series, PTX700 Plus & PTX760 Plus Series -, PTX760 Ex ATEX Series, MTX900 & MTX960 Series, ATS2500 Ex ATEX Series – (Applcable to Australia & New Zealand Only), ATS2500 Series, MTX900 & MTX960 Series, ATEX Professional Portable Radio, P100 Series Portable, MOTOTRBO DP1000 Series Radio, Professional Series Portable, DEP 450