The 19-21-1-TGG from Multicomp is a straight SMA bulkhead jack to SMA jack adapter. This connector also has the bulkhead function suitable for panel thickness of.177" max. The SMA connectors are semi-precision, subminiature devices that provide repeatable electrical performance from DC to 12.4GHz with flexible cable. Semi-rigid cabling extends the frequency range of the device to 18GHz. It offers broadband performance with low reflection and constant 50 ohm impedance. It has a minimum attenuation and low VSWR.