CAT5e stands for Category 5 Enhanced, a type of twisted pair cable used for networking and telecommunications. It supports data transmission speeds of up to 1 Gbps (Gigabit per second) and can handle frequencies up to 100 MHz. This makes it suitable for various applications, including Ethernet networks and internet connections. The CAT5e cable is an improvement over the original CAT5 standard, offering better performance and reduced interference. It is commonly used in homes and businesses for connecting computers, routers, and other devices. Its affordability and effectiveness have made it a popular choice for many networking needs.