... the connect status of STP/UTP 5E /6E cable, telephone line, BNC cable, USB signal line;2. Use crosstalk test to solve the ... LCD directly;2. Bring RJ45,RJ11,USB,BNC ports and alligator adapter cable with RJ11port;3. When the voltage ... , telephone, TV network line project;3. Other metal wire line engineering and maintenance;Package items utp cable telephone line bnc cable usb signal line tester