The RMIS.7700-8500Sf from Response Microwave Inc is a RF & Microwave Isolator with Frequency 7700 to 8500 MHz, Average Power Forward 50 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Coaxial Isolator. More details for RMIS.7700-8500Sf can be seen below.