Fit for Cobra PR240 PR245 PR350 PR375 PR550 PR3000 PR3100 PR3175 PR4000 PR4200 PR4250 MRHH100 MRHH200 Microphone. 1PCS/4PCS CM4 CB 4 Pin Cable for Cobra Microphone. 30m RG316 RF Coax Coaxial cable Connector 50ohm M17/113 Shielded Pigtail 98ft·.