Multifunctional Cable Tester For RJ45 RJ11 2.Quickly and easily checks for cable 3.continuity,miswiring,open,short,straight-thr Multifunctional Cable Tester For RJ45 RJ11cable tester, network cable tester.1) Available for R45(UTP/STP) and RJ11/12 modular cable2) Quickly and easily checks for cable continuity,miswiring,open,short,straight-through or cross pinning,whatever the cable was installed ...