Bigstone USB Programming Cable for Motorola GP328PLUS GP338PLUS GP344 GP388 EX500 Walkie Talkie Two Way Radio USB Programming cable for Motorola GP328 Plus RIBLESS design (RIB box not required). Motorola GP328PLUS (GP328PLUS programming cable is different from GP328), GP328PLUS,GP338PLUS,GP344,GP388,EX500,EX600,EX600-XLS,GL2000,EX560 Programming Software & Drivers Required, NOT included in this product