The INA12155 from Stellant Systems is a RF & Microwave Isolator with Frequency 11.95 to 14.5 GHz, Average Power Forward 25 W, Average Power Reverse 1 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Module with Connector, Coaxial Isolator. More details for INA12155 can be seen below.