4-in-1 Network Cable Tester RJ11/RJ45/USB/BNC for UTP STP Wire Multi-Tester
Test various types of cables: RJ-11, RJ-45, USB, BNC, LAN cable Cat5, Cat6,etc. Test installed wiring or patch cables. Tests shielded (STP) or unshielded (UTP) LAN cables, test shields in USB cables.