The 2H5BG from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 2 to 4 GHz, Average Power Forward 12 W, Insertion Loss 0.6 dB, Isolation 14 dB, Operating Temperature -10 to 70 Degree C. Tags: Drop-In, Drop-In Isolator. More details for 2H5BG can be seen below.