The RFLC090M20M25 from RF-Lambda is a RF & Microwave Circulator with Frequency 200 to 250 MHz, Average Power Forward 50 W, Insertion Loss 0.6 dB, Isolation 19 dB, Operating Temperature -40 to 85 Degree. Tags: Coaxial Circulator. More details for RFLC090M20M25 can be seen below.