The CIDU9U90323G1 from Cernex Inc is a RF & Microwave Isolator with Frequency 930 to 960 MHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 23 dB, Return Loss -80 dBc. Tags: Drop-In, Drop-In Isolator. More details for CIDU9U90323G1 can be seen below.