The WFI 75-110 | 04800020 from Radiometer Physics GmbH is a Waveguide Isolator with Frequency 75 to 110 GHz, Insertion Loss 1 dB, Power 0.1 W (20 dBm), Isolation 20 dB. Tags: Faraday Isolator. More details for WFI 75-110 | 04800020 can be seen below.