The VCI-109127 from VidaRF is a RF & Microwave Isolator with Frequency 10.95 to 12.75 GHz, Average Power Forward 25 W, Insertion Loss 0.35 dB, Isolation 23 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for VCI-109127 can be seen below.