✅Connector type: Connector A: F Jack, Connector B: RJ45 plug, and the current impedance is 50 ohm. | ✅Pls Note: This product is not suitable for router and wifi settings. In addition, the test must be performed in pairs with adapters. | ✅Material: This coaxial straight connector is made of plastic and metal material, which is light and strong for your use, not easy to break. The colors are beautiful and striking, and easy to identify. | ✅How to use: In order to ensure the service life of the product, do not use it roughly; in addition, during the use of the product, please tap the upper button to pull it out, do not pull it hard. | ✅Common applications: Applicable to most line testers, line finder and other testing equipment. Through the adapter, it can change freely in various joints to realize more functions.