The RFLC-313-2 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.8 to 3.6 GHz, Bandwidth 600 MHz, Average Power Forward 50 W, Insertion Loss 0.7 dB, Isolation 45 dB. Tags: Coaxial Circulator. More details for RFLC-313-2 can be seen below.