Noyafa NF-300 LCD Cable Tester Support Coax, RJ45, RJ11, USB-A, and Metal Cables - Trace and locate BNC Coax, RJ45 (STP 4-core), RJ11, USB-A, and metal cables, Anti-jamming, capable of working on the exchanger and PC startup, Measure the length of the BNC Coax and RJ45 cables, Test the cable continuity of the BNC Coax, RJ45, and RJ11 such as open, short, cross, and crosstalk, Locate short and breakage points accurately, Earphone permits use in noisy environments Više informacija na linku