The THZSHM-2.8NB from VivaTech is a Waveguide Mixer with RF Frequency 300 to 350 GHz, LO Frequency 160 to 175 GHz, IF Frequency 0.1 to 20 GHz, Conversion Loss 15 dB, LO Drive Level 10 to 13 dBm. Tags: Sub-Harmonic Mixer. More details for THZSHM-2.8NB can be seen below.