The CMIG311A from Quantic Corry is a RF & Microwave Isolator with Frequency 2.5 to 3.5 GHz, Bandwidth 300 MHz, Average Power Forward 10/50/100 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB. Tags: Drop-In, Drop-In Isolator. More details for CMIG311A can be seen below.