SMA connectors (SubMiniature version A) are compact RF coaxial connectors designed for precise signal transmission in space-constrained electronic systems. Featuring a threaded coupling interface and consistent impedance control, they deliver stable electrical performance in communication and RF applications.
At Spectra Connectronics LLP, we offer a range of industrial-grade SMA connectors in 50 Ohm impedance, with the standard operating frequency that can reach 18GHz, and the precision type can reach up to 26.5GHz, which can achieve low-loss signal transmission in high-frequency scenarios. These connectors are compatible with commonly used RF cables such as RG-174, RG-179, RG-58, RG-188 and many more. Our portfolio includes male and female connectors, panel mount types, straight and right-angle variants, as well as PCB mount configurations and crimp or solder termination styles to support diverse integration requirements. We also have a range of SMA to SMA adapters & SMA to inter-series adapters along with a range of custom-made cable assemblies.
The range includes both standard and gold-plated contact variants for enhanced conductivity and improved corrosion resistance. These connectors are commonly used in wireless communication modules, antenna systems, RF testing equipment, automotive radar, aerospace radar systems, ideal RF connection solution for communications, microwave equipment and miniaturized smart terminals.
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