The RFLC-312-2 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.8 to 3.6 GHz, Bandwidth 600 MHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 40 dB. Tags: Coaxial Circulator. More details for RFLC-312-2 can be seen below.