The 991-790840-203 from M2 Global Technology is a RF & Microwave Isolator with Frequency 7.9 to 8.4 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 991-790840-203 can be seen below.