1 Ends of a CAT 6 cable use the same RJ-45 standard connector as previous generations of Ethernet cables 2. For network communications systems, computers, switches, network testing, equipment, routers and so on 3. Transmission frequency is also extended to 250MHz or higher 4. CAT6 is a category 6 line 5. CAT6 lay length is tight 6. Transmission rate is much larger than CAT5E