Features 1、100% brand new and high quality. 2、These are BNC female to SMA male adapters used for antenna connection. 3、Made of copper material, these connectors has long service life. 4、They have wide frequency bandwidth, perfect performance, high reliability. 5、Gold-plated copper core, durable construction for long-lasting performance. Specification Features: 100% brand new and high quality. These are BNC female to SMA male adapters used for antenna connection. Made of copper material, these connectors has long service life. They have wide frequency bandwidth, perfect performance, high reliability. Gold-plated copper core, durable construction for long-lasting performance. Specification: Type: BNC female to SAM male, BNC-K/SMA-J Material: Copper, gold-plated copper core White Isolation: PTFE (high temperature resistance) Impedance: 50Ω Frequency: 0--6Ghz Size(L*W): 24*11mm/0.9*0.4in Weight: Approx.13g/0.5oz Package list: 2 * BNC Female to SMA Male Connectors Package List