The SMI-1724 from Sierra Microwave Technology is a RF & Microwave Isolator with Frequency 1.7 to 2.4 GHz, Average Power Reverse 2 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature 0 to 50 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for SMI-1724 can be seen below.