These SMA Female Jack PCB Mount RF connectors are used to connect SMA male plugs to printed circuit boards. One side is SMA Type Female, and the other side is Square PCB Panel Mount Plug with 4 Pins.
These connectors are widely used for antennas, broadcast, radios, Wi-Fi, telecom, coaxial cable, LMR, wireless LAN devices, CCTV, test equipment, microwave applications, and digital communication systems.