The SHM 140-220 | 2000019 from Radiometer Physics GmbH is a Waveguide Mixer with RF Frequency 140 to 220 GHz, LO Frequency 70 to 110 GHz, IF Frequency DC to 18 GHz, LO Drive Level 10 dBm, P1dB -5 dBm. Tags: Sub-Harmonic Mixer. More details for SHM 140-220 | 2000019 can be seen below.