Kangnice 4Pcs BNC To SMA Type Male Female RF Adapter Connector Test Converter Kit Set Commercial Grade SMA Series connector,SMA female to BNC male, Connectors,Gold-Plated Contacts - Teflon Insulator ,Gold-Plated.Machined Brass Construction Type: 1.BNC male to SMA male straight adapter,2.BNC male to SMA female straight adapter,3.BNC female to SMA female straight adapter,4.BNC female to SMA male straight adapter Temp.range: -65~ +165 (PE Cable -~ +85),Insulation resistance 5000M Impedance: 50,Durable Cycles: 500 Cycles