SMA Connectors Amphenol RF SMA Connectors comprise a wide range of standard and custom SMA products for use in semiconductor manufacturing and test equipment. Amphenol RF SMA includes PCB-mount and cable-mount connectors, as well as a variety of adapters, terminators, attenuators, and cable assemblies to meet a variety of designs. Amphenol RF also offers custom end-launch solutions, which can be optimized to provide exceptional performance for user-specific PCB configurations.