The RFLC101M22M45 from RF-Lambda is a RF & Microwave Circulator with Frequency 225 to 450 MHz, Average Power Forward 100 W, Insertion Loss 1 dB, Isolation 17 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for RFLC101M22M45 can be seen below.