Remote Telephone and Data Line Tester for RJ11, RJ45, and Coax Cable with BNC The motor uses a wire

The motor uses a wire coil that acts as an electromagnet

It has a dual display: The main display 80000 counts

"Superheterodyne" designed to receive standard AM and FM broadcast frequencies

Ideal for cutting Kevlar

Remote Telephone and Data Line Tester for RJ11, RJ45, and Coax Cable with BNC The motor uses a wireTesting remote continuity of telephone and data lines Test coax cables with BNC connectors Tests up to 10,000 ft. 9V battery included For testing remote continuity of telephone and data lines using 4, 6 and 8 conductor plugs (RJ11 and RJ45). Can also test coax cables with BNC connectors. Tests up to 10,000 ft. 1 sec. test time 5 mA max. 9V battery included.