USB Programming Cable For Hytera TC-500 TC-600 TC-610 TC-620 TC-700 TC-710 TC-1600 TC-2100 Two Way Radio Works as virtual COM port in PC for Radio Programming(Programming Software & Drivers Required, NOT included in this product). RLN4008 rib part build-in, No Radio Interface Box (RIB) required. Quick and easy programming of memory channels, memory names and set mode contents via PC. Draws low current from the USB port. Available for both desktops and laptops.