UTP category5e,4 paris screened cables.(UTP cat 5e),suitable between workstations and other horizontal distribution line. UTP category5e,4 paris screened cables.(UTP cat 5e),suitable between workstations and other horizontal distribution line.,widely uesd in voice net ,ISDN,ATM155Mbps,100Mbps TPDDI,Ethernet,and high speed Ethernet.They have high disturbance resisting ability.