The WR2.2-VNAX from Virginia Diodes, Inc. is a Vector Network Analyzer Extender with Extended Frequency 330 to 500 GHz, Output Power -17 dBm, Input Power -10/13 dBm, Dynamic Range 100 to 110 dB, Directivity 30 dB. More details for WR2.2-VNAX can be seen below.