The JIS10K4T11K3G1 from JQL Electronics is a RF & Microwave Isolator with Frequency 10.4 to 11.3 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Microstrip, Microstrip Isolator. More details for JIS10K4T11K3G1 can be seen below.