The RFLC-301-1 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.6 to 2.5 GHz, Bandwidth 200 MHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Coaxial Circulator. More details for RFLC-301-1 can be seen below.