The 991-230270-301 from M2 Global Technology is a RF & Microwave Isolator with Frequency 2.3 to 2.7 GHz, Average Power Forward 70 W, Average Power Reverse 10 W, Insertion Loss 0.25 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 991-230270-301 can be seen below.