The 994-039038-059 from M2 Global Technology is a RF & Microwave Isolator with Frequency 1.62 to 1.66 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 994-039038-059 can be seen below.