The 991-220250-451 from M2 Global Technology is a RF & Microwave Isolator with Frequency 2.2 to 2.5 GHz, Average Power Forward 75 W, Average Power Reverse 75 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 991-220250-451 can be seen below.