UTP 100MHz: unshielded twisted pairs Auto-retractable Cat 5 (C5) ethernet/ISDN flat UTP cable to replace loose, tangled, twisted LAN and broadband cables RJ45 plug to RJ45 plug (molded strain relief) for LAN and broadband cables With Cat.5 coupler attached with all of the UTPs (optional) Customized cases for UTP UTPs 100% compatible with PC, Mac and notebooks Wide applications in LAN and broadband sectors 10 base-T (IEEE 802.3) 100 base-T4 (IEEE 802.3) 100 base-T X (IEEE 802.3) 1000 base-T (IEEE 802.3) 100vg any LAN (IEEE 802.12) ATM 25 Fit easily into laptop travel case Suitable for gift and promotional item Customized logos are welcome Suitable for Local Area Network (LAN) and broadband networking