The SC GKDL USB 2.0 driver is a critical software component for users of Smart Card readers utilizing the GKDL chipset. This driver acts as the bridge between your computer's operating system and the hardware, ensuring secure data transmission for digital signatures, banking, and identity verification. What is the SC GKDL USB 2.0 Driver? The driver is designed specifically for Generic Smart Card (SC) readers that use the hardware architecture. Connectivity: Operates via the USB 2.0 interface. Supports PC/SC (Personal Computer/Smart Card) standards.