... Cable Tester for UTP STP RJ45, RJ11 RJ12 & BNC 2, UL,CE,RoHS certificate Cable Tester Description: ... cable Continuity Tester. This tester also tests BNC network cables..3, Test of double-twisted cables, ... If test cables of the same axes, BNC turns on when the cable works.6, Operate with one ... 9V battery ( Not Included )Package includes:1, Network Cable RJ45 BNC ...