Gold-Plated SMA RF Connectors & Adapters TE Connectivity / Linx Technologies Gold-Plated SMA RF Connectors and Adapters feature frequencies up to 18GHz and are gold-plated against corrosion. SMA connectors include standard and reverse-polarity variants with mounting and termination styles for every need. TE Connectivity / Linx Technologies RF SMA Connectors offer straight and right angle panel mount, board edges, bulkhead, and in-line mounting options. The Gold-Plated SMA RF Connectors and Adapters are protected against wear and low-contact resistance.