The F2148 from WENTEQ Microwave Corp is a RF & Microwave Isolator with Frequency 4.5 to 6.5 GHz, Bandwidth 2000MHz, Average Power Forward 10 W, Average Power Reverse 5 W, Insertion Loss 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for F2148 can be seen below.