The 332109 from Amphenol Connex is a 7/16 DIN Female to Female - 4 Hole Flange Adapter. It operates from DC to 3 GHz with a VSWR of 1.1:1 and an insertion loss of 0.1 dB (at 3 GHz). The adapter has a PIM of -120 dBc and a breakdown voltage of 2500 V RMS. The connectors have brass plating, a PTFE insulator, a copper allow inner conductor and are matched to 50 Ohms. The adapter operates at a temperature from -40 C to 85C.