The RFLC101M60M90 from RF-Lambda is a RF & Microwave Circulator with Frequency 600 to 900 MHz, Average Power Forward 50 W, Insertion Loss 1 dB, Isolation 17 dB, Operating Temperature -40 to 85 Degree C. Tags: Coaxial Circulator. More details for RFLC101M60M90 can be seen below.