The RFLC101M24M40 from RF-Lambda is a RF & Microwave Circulator with Frequency 240 to 400 MHz, Average Power Forward 50 W, Insertion Loss 0.8 dB, Isolation 18 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for RFLC101M24M40 can be seen below.