The T1AN13 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.95 to 2.3 GHz, Average Power 20 W, Average Power Forward 20 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1AN13 can be seen below.