The ACI-20010 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 800 MHz to 1.2 GHz, Average Power Forward 20 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ACI-20010 can be seen below.