The RFLC101M10M20 from RF-Lambda is a RF & Microwave Circulator with Frequency 100 to 200 MHz, Average Power Forward 100 W, Insertion Loss 1.2 dB, Isolation 16 dB, Operating Temperature -20 to 70 Degree C. Tags: Coaxial Circulator. More details for RFLC101M10M20 can be seen below.