The RFLC-303-2 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.7 to 2.7 GHz, Bandwidth 100 MHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 21 dB. Tags: Coaxial Circulator. More details for RFLC-303-2 can be seen below.