Generic Cable Length Tester 5E 6E CAT5 RJ45 Network LAN TelephoneCable Length Tester 5E 6E CAT5 RJ45 Network LAN Telephone Features: Powerful function: Check wiring error in 5e, 6e, coaxial cable and telephone line Error location: Indicate the location of wiring or connection error Measure cable length and calculate the exact location of open circuit and short circuit Easy to use and read, large LCD display with backlit Specification: Type of tester cable: Step utp twin twisted cable, coaxial cable, telephone line