Use these adapters to trace the coaxial cables in your home with an Ethernet cable tracer. Suitable for most line testers, line detectors and other test equipment. Cannot be used for networking. 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. Can be used with most line finder and line finder products, Such as expert, ancient grass, shrewd mouse, forest, etc. Through the adapter, it can be freely changed in joints to achieve more functions The interface type is F head-RJ45, and the corresponding network crystal head pin position is 12 pins. Colour: Orange Material: Metal+Plastic Package Contents: 4 x Coaxial to Ethernet Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.