The STO-03203N05-R-E1 from ERAVANT is a Vector Network Analyzer Extender with Extended Frequency 220 to 330 GHz, Input Frequency 9.17 to 13.75 GHz, LO Frequency 9.17 to 13.75 GHz, Input Power 0 to 6 dBm (LO), 10 dBm (Damage), Dynamic Range 80 dB. More details for STO-03203N05-R-E1 can be seen below.