The RFLC601G06G18 from RF-Lambda is a RF & Microwave Circulator with Frequency 6 to 18 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 1.4 dB, Isolation 12 dB. Tags: Coaxial Circulator. More details for RFLC601G06G18 can be seen below.