The W1K10AA-K00D3 from Rosenberger is a In Series RF Adapter with Frequency DC to 100 GHz, Connector Inner Diameter 1.6 mm, Connector Length 2.49 mm, Contact Resistance < 6.0 mOhms, Insertion Loss 1.2 dB. More details for W1K10AA-K00D3 can be seen below.