The STO-0809300-T-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 90 to 140 GHz, Input Frequency 5.63 to 8.75 GHz, LO Frequency 5.63 to 8.75 GHz, Output Power -5 dBm (Test Port), Input Power -3 to 3 dBm (RF, LO). More details for STO-0809300-T-E1 can be seen below.
