The YXSI102M1-4 from Talee Microwave Limited is a RF & Microwave Isolator with Frequency 0.5 to 1 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.5 dB, Isolation 23 dB. Tags: Surface Mount Isolator. More details for YXSI102M1-4 can be seen below.