Can be used with most line finder and line finder products, Such as expert, ancient grass, shrewd mouse, , etc. The connector has an F female jack on one end and an RJ45 plug on the other end, which is easy to use and easy to quickly connect and disconnect the coupling. Use these adapters to trace the coaxial cables in your home with an Ethernet cable . Suitable for most line testers, line detectors and other test equipment. Cannot be used for networking. Through the adapter, it can be freely changed in various joints to achieve more functions The interface type is F head-RJ45, and the corresponding network crystal head pin position is 12 pins., Weight: 0.12566348934 Pounds, Manufacturer: HWIREUIGT