The SHM 220-330 | 2000018 from Radiometer Physics GmbH is a Waveguide Mixer with RF Frequency 220 to 330 GHz, LO Frequency 110 to 165 GHz, IF Frequency DC to 18 GHz, LO Drive Level 10 dBm, P1dB -5 dBm. Tags: Sub-Harmonic Mixer. More details for SHM 220-330 | 2000018 can be seen below.