The 2H4NHC from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 2.1 to 2.2 GHz, Average Power Forward 125 W, Average Power Reverse 125 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 2H4NHC can be seen below.