The HM 140-220 | 2100034 from Radiometer Physics GmbH is a Waveguide Mixer with RF Frequency 140 to 220 GHz, LO Frequency 8.73 to 13.73 GHz, IF Frequency 5 to 3200 MHz, LO Drive Level 13 dBm, P1dB -5 dBm. Tags: Harmonic Mixer. More details for HM 140-220 | 2100034 can be seen below.