The 891-120140-601 from M2 Global Technology is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 891-120140-601 can be seen below.