Inovat 5 Pack BNC Female Jack to BNC Female Coupler Adapters CCTV Security Camera Adapter Straight Connector Metallic, Silver color, Quantiy: 5 pack BNC Female to Female Coupler Adapters Constructed with a nickel-plated brass body ensuring the most reliable connection Commonly used for joining Male to Male CCTV Cables together Used for WiFi, FM radio, radar, Bluetooth, GPS, base stations, antennas, PC/LAN, satellite telecommunications, and more