The HM 220-330 | 2100028 from Radiometer Physics GmbH is a Waveguide Mixer with RF Frequency 220 to 330 GHz, LO Frequency 9.98 to 14.76 GHz, IF Frequency 5 to 3200 MHz, LO Drive Level 16 dBm, P1dB -5 dBm. Tags: Harmonic Mixer. More details for HM 220-330 | 2100028 can be seen below.