The SMD1300-T0501 from Mercury Systems is a RF & Microwave Circulator with Frequency 5.6 to 7.1 GHz, Bandwidth 1500 MHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB. Tags: Microstrip Circulator. More details for SMD1300-T0501 can be seen below.