1、Compatibility: This usb programming cable is designed specifically for Hytera RD620 RD980 Walkie Talkie and is the perfect addition to your existing equipment. 2、Programming Cable: This cable is used to connect your radios and PC, then read and write the programming frequencies of the walkie talkie by PC. 3、Durable Construction: The cable is designed with premium ABS material and durable,with high strength and wear resistance, not easy to deformation . 4、Easy to Use: This programming cable write frequency cable has simple plug and play function and is user friendly, making it quick and easy to set your walkie talkie Settings. 5、Improved Functionality: By programming walkie talkie radios, you can improve their functionality to achieve clear and reliable communication.