Features: -F Plug, plug convenient, durable -Ideal workmanship, close contact, transmission is stable, does not rust, easier wiring. -Suitable for RG6 coaxial cable. -Can be used for Sky Boxes (including HD, 3D and Plus) Virgin Boxes. -Waterproof performance, after extrusion permanently sealed electrical high performance. -Waterproof with O-ring, water laps taken place prior to extrusion, extrusion to avoid distortion.