The VCI-029031 from VidaRF is a RF & Microwave Isolator with Frequency 290 to 310 MHz, Average Power Forward 100 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature 0 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for VCI-029031 can be seen below.