The QCC-26500-40000-5-K from Qualwave is a RF & Microwave Circulator with Frequency 26500 to 40000 MHz, Bandwidth 13500 MHz, Average Power Forward 5 W, Insertion Loss 1.6 dB, Isolation 14 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC-26500-40000-5-K can be seen below.