The CIDU8U80323G2 from Cernex Inc is a RF & Microwave Isolator with Frequency 820 to 840 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 CIDU8U80323G2 can be seen below.