Features 1、100% brand new and high quality. 2、These are BNC male to SMA female 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 male to SMA female 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 male to SAM female, BNC-J/SMA-K Material: Copper, gold-plated copper core White Isolation: PTFE (high temperature resistance) Impedance: 50Ω Frequency: 0--6Ghz Size(L*W): 28*14mm/1.1*0.6in Weight: Approx.17g/0.6oz Package list: 2 * BNC Male to SMA Female Connectors Package List