The RFLI-315A-1 from RF-Lambda is a RF & Microwave Isolator with Frequency 2.5 to 4.2 GHz, Bandwidth 50 MHz, Average Power Forward 10 W, Average Power Reverse 2 W, Insertion Loss 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for RFLI-315A-1 can be seen below.