... diagnose your most common 10BaseT cabling problems. Compatible with 10BaseT, AT&T 258A & EIA/TIA 568 wiring, it automatically scans each wire ... 568A/568B RJ45 Cable, ENC(10Base-T)cable, 100Base-TX,1000Base-TX cables, Token Ring, AT&T 258A, Coaxial cable2, Test correspondingly double ... flawless quality,perfect service,lowest price". Welcome to our website: www.nbsystm.com Cable Tester for UTP STP RJ45