The RMIS.2020-2040Sf from Response Microwave Inc is a RF & Microwave Isolator with Frequency 2020 to 2040 MHz, Average Power Forward 60 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Coaxial Isolator. More details for RMIS.2020-2040Sf can be seen below.