The QMC-JFI12-7805 from Quantum Microwave is a Waveguide Isolator with Frequency 76 to 81 GHz, Bandwidth 5 GHz, Insertion Loss 0.6 dB, Power 1.5 W, Isolation 16 to 19 dB. Tags: Ferrite Junction Isolator. More details for QMC-JFI12-7805 can be seen below.