The RFLC101M50M70 from RF-Lambda is a RF & Microwave Circulator with Frequency 500 to 700 MHz, Average Power Forward 100 W, Insertion Loss 1 dB, Isolation 18 dB, Operating Temperature -40 to 85 Degree. Tags: Coaxial Circulator. More details for RFLC101M50M70 can be seen below.