The STO-1209305-R-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 60 to 90 GHz, Input Frequency 5 to 7.5 GHz, LO Frequency 5 to 7.5 GHz, Input Power -3 to 3 dBm (LO), 5 dBm (Test Port), Dynamic Range 100 to 120 dB. More details for STO-1209305-R-E1 can be seen below.