The QSC7 from Qualwave is a RF & Microwave Circulator with Frequency 1805 to 5000 MHz, Bandwidth 500 MHz, Average Power Forward 15 W, Insertion Loss 0.30 to 0.50 dB, Isolation 16 to 20 dB. Tags: Surface Mount, Surface Mount Circulator. More details for QSC7 can be seen below.