Used for voice systems. Originally designed to carry data at up to speeds of 10 Mbps, Cat3 has been replaced by Cat5e for higher data speed demands.
Supports 1000 Mbps “gigabit” speeds. It is used widely for Networking and Voice Systems as well
Supports speeds up to 10Gbps “gigabit.” Cat 6 cable replaces Cat 5e cable in new installations. Also used for Networks, VoIP Systems, PBX Systems,etc.
Fiber-optic lines have revolutionized long-distance phone calls, cable TV and the Internet. Fiber-optic lines are strands of optically pure glass as thin as a human hair that carry digital information over long distances. They are also used in medical imaging and mechanical engineering inspection.