The UIYBDI4040A from UIY Inc. is a RF & Microwave Isolator with Frequency 1.7 to 3.5 GHz, Bandwidth 1800 MHz, Average Power Forward 200 W, Average Power Reverse 30 W, Insertion Loss 0.7 dB. Tags: Drop-In, Drop-In Isolator. More details for UIYBDI4040A can be seen below.