The DG9-26.5-40G-1254 from COM-MW is a RF & Microwave Isolator with Frequency 26.5 to 40 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 1 dB, Isolation 11 dB. Tags: Coaxial Isolator. More details for DG9-26.5-40G-1254 can be seen below.