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 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 , Such as expert, grass, shrewd mouse, , 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 are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.