The 2L9NGK-ROHS from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 27 to 30 GHz, Average Power Forward 1 W, Insertion Loss 0.8 to 1 dB, Isolation 16 dB, Operating Temperature -40 to 85 Degrees C. Tags: Drop-In Isolator. More details for 2L9NGK-ROHS can be seen below.