The 2H4NGZ from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 1.84 to 1.87 GHz, Average Power Forward 125 W, Average Power Reverse 70 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Drop-In, Drop-In Isolator. More details for 2H4NGZ can be seen below.