QSMA connector is a new connector interface for coaxial cables with push-on and self-locking coupling mechanism. This coupling mechanism provides fast push-on, safe, and reliability. The connector has a 50 ohm impedance. It works up 18 GHz and offers optimal electrical performance from DC to 6 GHz. It can be used to replace SMA connectors within certain frequency ranges. QSMA connectors are widely used in mobile communications, aviation, navigation, weapon systems, and precision measuring equipments