The WVI-1500M-600BW02 from Wevercomm is a RF & Microwave Isolator with Frequency 1.2 to 1.8 GHz, Average Power Forward 20 W, Average Power Reverse 10 W, Insertion Loss 0.7 dB, Isolation 17 dB. Tags: Drop-In, Drop-In Isolator. More details for WVI-1500M-600BW02 can be seen below.