The STO-0620300-R-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 110 to 170 GHz, Input Frequency 9.17 to 14.17 GHz, LO Frequency 9.17 to 14.17 GHz, Input Power 0 to 6 dBm (LO), 10 dBm (Damage), Dynamic Range 100 dB. More details for STO-0620300-R-E1 can be seen below.