TruComponents 604944 SMA adapter SMA socket - TNC socket - TruComponents 160633, SMA plug connectors are used mainly for applications in the 1 GHz to 18/26.5 GHz frequency ranges (depending upon the design). SMA stands for Sub-Miniature-A. The plug connectors are considered as male and the socket as female, depending upon the design of the inner conductor as metallic pin or as metallic pipe. The (8 mm) screw lock generates high mechanical strength. TruComponents 160633 SMA adapter SMA plug - TNC socket