The 0300IAD from Nova Microwave is a RF & Microwave Isolator with Frequency 2.9 to 3.1 GHz, Average Power Forward 125 W, Average Power Reverse 50 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 0300IAD can be seen below.