The RTL8832CU is a Wi-Fi 6E USB dongle that utilizes the 6GHz band and 160MHz bandwidth to deliver high-speed wireless connectivity. It offers peak throughput of up to 1.8Gbps, which allows for faster data transfer rates compared to previous Wi-Fi generations. With this capability, a 2GB file transfer would be expected to complete in approximately 15 to 20 seconds, depending on other factors such as network conditions.