The STO-1209305-T-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, Output Power 5 dBm (Test Port), Input Power -3 to 3 dBm (RF, LO). More details for STO-1209305-T-E1 can be seen below.
