The L 178 SMICWH from Southern Microwave Inc is a RF & Microwave Isolator with Frequency 1.71 to 1.85 GHz, Average Power Forward 100 W, Average Power Reverse 40 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Isolator. More details for L 178 SMICWH can be seen below.