CAT6a is a type of Ethernet cable designed for high-speed data transmission. It supports frequencies up to 500 MHz and can transmit data at speeds of 10 Gbps over distances of up to 100 meters. This makes it suitable for demanding applications like video streaming and online gaming. One of the key features of CAT6a is its improved shielding, which reduces interference from external sources. This shielding allows for better performance in environments with many electronic devices. Overall, CAT6a is a reliable choice for modern networking needs.