The QMC-8000-11000-10-1 from Qualwave is a RF & Microwave Circulator with Frequency 8000 to 11000 MHz, Bandwidth 3000 MHz, Average Power Forward 10 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Microstrip Circulator. More details for QMC-8000-11000-10-1 can be seen below.