The CT-5166-OT from UTE Microwave is a RF & Microwave Isolator with Frequency 12.2 to 13.3 GHz, Average Power Forward 1 W, Insertion Loss 0.30 dB max, Isolation 22 dB min. Tags: Module with Connector, Coaxial Isolator. More details for CT-5166-OT can be seen below.