Features1. 100% brand new and high quality 2. Connector: SMA female (outside screw & female pin inside) right angle RF connector 3. Nickel-plated machined brass construction 4. Gold-plated contacts - teflon insulator 5. Impedance: 50 ohm 6. You may need other connectors: All of SMA connectors

http://olla.gr/10-pcs-gold-plated-sma-female-right-angle-90-degrees-panel-pcb-mount-4.0mm-square-connector-adapter/