Modern networks typically use at least category 5e or above. Category 5 is also sometimes used, but offers slower service. To offer better service with upgrade capabilities, many networks are now composed of categories 6 or 6a.<br /> | Modern networks typically use at least category 5e or above. Category 5 is also sometimes used, but offers slower service. To offer better service with upgrade capabilities, many networks are now composed of categories 6 or 6a.<br /> |