The SMD1300-T0700 from Mercury Systems is a RF & Microwave Circulator with Frequency 7.1 to 8.5 GHz, Bandwidth 1400 MHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB. Tags: Microstrip Circulator. More details for SMD1300-T0700 can be seen below.