1Both sides are UHF female (outer screw and inner female), and the other side is UHF male. 2Made of high quality materials for durability. 3It can realize 1-to-2 and 2-to-1 of the antenna. 4Commonly used in RF applications, antennas, wireless LAN devices, coaxial cables, Wi-Fi radio external antennas, etc. 5Support a variety of coaxial transmission of the same interface. Features: 1. Both sides are UHF female (outer screw and inner female), and the other side is UHF male. 2. Made of high quality materials for durability. 3. It can realize 1-to-2 and 2-to-1 of the antenna. 4. Commonly used in RF applications, antennas, wireless LAN devices, coaxial cables, Wi-Fi radio external antennas, etc. 5. Support a variety of coaxial transmission of the same interface. Specifications: Impedance: 50 ohms Service Life Time: 1000 times Material: metal Siz: Approx. 3.5*2*2cm/1.38*0.79*0.79inch Package List: 2 * Adapter Head