The RFSL2958D from RF-CI is a RF & Microwave Isolator with Frequency 9.7 to 11.7 GHz, Average Power Forward 25 W, Average Power Reverse 2 W, Peak Power Forward 0.25 kW, Insertion Loss 0.45 to 0.5 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2958D can be seen below.