... Cable Tester 4 in 1 for UTP STP RJ45, RJ11 RJ12, BNC & USB 2, UL,CE,RoHS certificate ... .This network cable tester is an ideal tool for testing the Continuity, Miswiring, Open, Short, Cross ... RJ-11, USB and BNC)2, Simple one button test3, Fast speed testing4, Ergonomic portable handheld design5, ... unshielded (UTP) LAN cables16, Test shields in USB cables Specifications1, Cable Tested:UTP and STP LAN ...