The RFLC301G15G25 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.5 to 2.5 GHz, Average Power Forward 30 W, Average Power Reverse 3 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for RFLC301G15G25 can be seen below.