The D19-M1719T01 from QUEST Microwave is a RF & Microwave Isolator with Frequency 1.71 to 1.99 GHz, Average Power Forward 200 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB Max., Isolation 20 dB Min.. Tags: Drop-In, Drop-In Isolator. More details for D19-M1719T01 can be seen below.