these adapters to trace the coaxial cables in your home with an Ethernet cable tracer. Suitable for 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 and easy to quickly and disconnect the coupling. Can be used with line finder and line finder products, Such as expert, grass, shrewd mouse, , etc. 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. Colour: Orange Material: MetalandPlastic Package Contents: 4 x Coaxial to Ethernet Adapter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.