The YXMI901C 27-31GHz from Talee Microwave Limited is a RF & Microwave Isolator with Frequency 27 to 31 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Peak Power Forward 10 W, Insertion Loss 0.7 dB. Tags: Surface Mount, Microstrip Isolator. More details for YXMI901C 27-31GHz can be seen below.