The GL-T-850-1150-18-1 from A-Info is a RF & Microwave Isolator with Frequency 850 MHz to 1.15 GHz, Average Power Forward 1 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -40 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-850-1150-18-1 can be seen below.