The 2H3NCJ-S from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 1.515 to 1.635 GHz, Average Power Reverse 1 W(terminated), Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -20 to 67 Degree C. Tags: Drop-In Isolator. More details for 2H3NCJ-S can be seen below.