MAXTOP APCUSB-MR4012B USB Programming Cable for Motorola Mototrbo XPR-6300 XPR-6350 XPR-6380 XPR-6500 as PMKN4012B Expect the same performance and ease of use every single time! Simple procedures to reconfigure all your radios' frequency OEM of Motorola PMKN4012B Fits: Motorola XPR-6300, APX-1000 and similar sockets