The 891-175185-401 from M2 Global Technology is a RF & Microwave Isolator with Frequency 1.75 to 1.85 GHz, Average Power Forward 70 W, Average Power Reverse 70 W, Insertion Loss 0.32 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 891-175185-401 can be seen below.