The UIYCI2528A from UIY Inc. is a RF & Microwave Isolator with Frequency 700 MHz to 5 GHz, Average Power Forward 100 to 200 W, Average Power Reverse 30 W, Insertion Loss 0.3 to 0.5 dB, Isolation 18 to 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYCI2528A can be seen below.