The T-8660H from Telewave is a RF & Microwave Isolator with Frequency 806 to 960 MHz, Average Power Forward 300 W, Insertion Loss 0.8 dB, Isolation 60 to 70 dB, Operating Temperature -30 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for T-8660H can be seen below.