The 2A9NFH from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 27 to 31 GHz, Average Power Forward 25 W(CW), 100 W(Pulsed), Average Power Reverse 1 W(Reflected), Insertion Loss 1 dB, Isolation 16 dB. Tags: Coaxial Isolator. More details for 2A9NFH can be seen below.