4-in-1 Network Cable Tester for RJ45, RJ11, USB and Coaxial Cable 1. Maximum cable length: 300ft 2.high quality ... -in-1 Network Cable Tester for RJ45, RJ11, USB and Coaxial Cable For STP and UTP RJ45, RJ11, USB and coaxial cable (BNC) Maximum ... cable length: 300ft No terminator indications Short, connected, crossover and ...