Wsdcam 10-Pack BNC Female to BNC Female Jack Straight Convert Connector Adapter BNC coupler easily combine two coaxial cables - Perfect way to quickly change or extend the gender or connector type of any device that requires a BNC connection High quality materials - This BNC Female to Female Connector is constructed with a nickel-plated brass body ensuring the most reliable connection BNC adapter can be used with professional video surveillance equipment, CCTV cameras Material: Metal nickel-plated brass, Color: Silver, Package Weight: about 62g/2.18Oz Package including: 10 pcs BNC Connectors Female This nickel plated BNC female to female coupler will allow the connection of two BNC male connectors Easily combine two coaxial cables, perfect way to quickly change or extend the gender or connector type of any device that requires a BNC connection High quality materials - This BNC Female to Female is constructed with a nickel-plated brass body ensuring the most reliable connection Used in RF applications - Used for WiFi, FM radio, radar, Bluetooth, GPS, base stations, antennas, PC/LAN, satellite telecommunications, and more Material: Nickel-plated brass Color: Silver Product dimension: 1.38&#039;&#039; x 0.39&#039;&#039; Package weight: about 62g 10pcs  BNC Connectors Female Connector type: BNC female-female coupler Impedance: 50, 75 Frequency range: 0-4GHz Resistance: Inner conductor  2.0m External resistance:  0.2m Insulation resistance:  5000M Withstand voltage: 1500V rms Frequency response: DC to 8 MHz Attenuation: 0.5dB Operating temperature: -4F-158F