The T1HL1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1 to 1.12 GHz, Average Power 50 W, Average Power Forward 50 W, Peak Power 3162 W, Insertion Loss 0.3 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1HL1 can be seen below.