The TLHM-260400-0230-2.8 from Talent Microwave Inc is a Waveguide Mixer with RF Frequency 260 to 400 GHz, LO Frequency 130 to 200 GHz, IF Frequency DC to 30 GHz, Conversion Loss 8.5 to 11 dB, LO Drive Level 5 to 8 dBm. Tags: Sub-Harmonic Mixer. More details for TLHM-260400-0230-2.8 can be seen below.