The HM 90-140 | 2100026 from Radiometer Physics GmbH is a Waveguide Mixer with RF Frequency 90 to 140 GHz, LO Frequency 8.97 to 13.97 GHz, IF Frequency 5 to 3200 MHz, LO Drive Level 14 dBm, P1dB -5 dBm. Tags: Harmonic Mixer. More details for HM 90-140 | 2100026 can be seen below.