This category 5E, for pair is a high-speed high performance, 100 ohm impedance cable capable of carrying high bit-rate signalling for extended distances in horizontal cabling. Signal amplifiers are not required for a lenght of 328 feet (100 M). Applications can include Voice, ISDN, ATM 155 Mbps, ATM 622 Mbps, 100 Mbps TPDDI, Fast and Giga Ethernet, 100 BASE-T Mbps TP-PMD, 100 Base - T.