The YXSC102K4 from Talee Microwave Limited is a RF & Microwave Circulator with Frequency 1500 to 2200 MHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for YXSC102K4 can be seen below.