The STO-1009305-T-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 75 to 110 GHz, Input Frequency 6.25 to 9.17 GHz, LO Frequency 6.25 to 9.17 GHz, Output Power 5 dBm (Test Port), Input Power -6 to 0 dBm (RF, LO). More details for STO-1009305-T-E1 can be seen below.