Different categories of UTP (Unshielded Twisted Pair)?cabling?were created for better performance in certain applications. As a general rule, the higher the category number, the?higher the noise reduction and lower attenuation, and consequently the higher the bandwidth. For example,?CAT6 can handle higher data rates at longer distances than CAT5 can. Newer categories have been added since the original revision to achieve these higher data rates.
The most widely used cable for Ethernet is CAT5e, which is good for most gigabit Ethernet applications. StarTech.com offers CAT5e, CAT6, and CAT6a Ethernet cables.
Any cable type can be used in any application as long as it meets the transfer speeds required for the application.
The following table compares the UTP cable categories:
Category
Typical Application
Maximum frequency
Maximum length for application
CAT5
10/100 Mbps Ethernet
100 Mhz
100 meters for 100BASE-T
CAT5e
10/100/Gigabit Ethernet
100 MHz
100 meters for 1000BASE-T
CAT6
Gigabit Ethernet
250 MHz
100 meters for 1000BASE-T
CAT6a
10-Gigabit Ethernet
500 MHz
100 meters for 10GBASE-T
Note: The performance of any UTP cable is dependent on the length used and how the cable is terminated.