The FEV-05-TR-0004 from Farran is a Vector Network Analyzer Extender with Extended Frequency 140 to 220 GHz, Input Frequency 11.66 to 18.33 GHz, LO Frequency 11.66 to 18.33 GHz, Input Power 5 to 10 dBm, Dynamic Range 100 to 115 dB. More details for FEV-05-TR-0004 can be seen below.