The RFLC-313-1 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.8 to 3.6 GHz, Bandwidth 300 MHz, Average Power Forward 10 to 100 W, Insertion Loss 0.5 dB, Isolation 50 dB. Tags: Coaxial Circulator. More details for RFLC-313-1 can be seen below.