The RFLI-315-3 from RF-Lambda is a RF & Microwave Isolator with Frequency 2.5 to 4.2 GHz, Bandwidth 200 MHz, Average Power Forward 4 W, Average Power Reverse 4 W, Peak Power Forward 40 W. Tags: Drop-In, Drop-In Isolator. More details for RFLI-315-3 can be seen below.