The UIYDI1212B from UIY Inc. is a RF & Microwave Isolator with Frequency 1.5 to 5 GHz, Average Power Forward 60 W, Average Power Reverse 20 W, Insertion Loss 0.4 to 0.4 dB, Isolation 20 to 21 dB. Tags: Drop-In, Drop-In Isolator. More details for UIYDI1212B can be seen below.