The VBCI-4080 from VidaRF is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 25 W, Insertion Loss 0.5 dB, Isolation 18 dB, Operating Temperature 0 to 50 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for VBCI-4080 can be seen below.