The QCC-18000-26500-5-K-1 from Qualwave is a RF & Microwave Circulator with Frequency 18000 to 26500 MHz, Bandwidth 8500 MHz, Average Power Forward 5 W, Insertion Loss 0.7 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC-18000-26500-5-K-1 can be seen below.