The F2153 from WENTEQ Microwave Corp is a RF & Microwave Isolator with Frequency 3.7 to 7 GHz, Bandwidth 3300MHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for F2153 can be seen below.