The UIYMI1423A from UIY Inc. is a RF & Microwave Isolator with Frequency 3.2 to 4.0 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for UIYMI1423A can be seen below.