Category Max. Data Rate Bandwidth Max. Distance Usage
Category 1 1 Mbps 0.4 MHz   Telephone and modem lines
Category 2 4 Mbps 4 MHz   LocalTalk & Telephone
Category 3 10 Mbps 16 MHz 100 m (328 ft.) 10BaseT Ethernet
Category 4 16 Mbps 20 MHz 100 m (328 ft.) Token Ring
Category 5 100 Mbps 100 MHz 100 m (328 ft.) 100BaseT Ethernet
Category 5e 1 Gbps 100 MHz 100 m (328 ft.) 100BaseT Ethernet, residential homes
Category 6 1 Gbps 250 MHz 100 m (328 ft.)
10Gb at 37 m (121 ft.)
Gigabit Ethernet, commercial buildings
Category 6a 10 Gbps 500 MHz 100 m (328 ft.) Gigabit Ethernet in data centers and commercial buildings
Category 7 10 Gbps 600 MHz 100 m (328 ft.) 10 Gbps Core Infrastructure
Category 7a 10 Gbps 1000 MHz 100 m (328 ft.)
40Gb at 50 m (164 ft.)
10 Gbps Core Infrastructure
Category 8 25 Gbps (Cat8.1)
40 Gbps (Cat8.2)
2000 MHz 30 m (98 ft.) 25 Gbps/40 Gbps Core Infrastructure