The NDI-0111 from Stellant Systems is a RF & Microwave Isolator with Frequency 1 to 1.1 GHz, Average Power Forward 1 W, Peak Power Reverse 1 W, Insertion Loss 0.3 to 0.5 dB, Isolation 20 to 23 dB. Tags: Drop-In, Drop-In Isolator. More details for NDI-0111 can be seen below.