The UIYMI1313A from UIY Inc. is a RF & Microwave Isolator with Frequency 3.9 to 5.4 GHz, Average Power Forward 10 W, Average Power Reverse 2 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for UIYMI1313A can be seen below.