The MMCCI180A from Mesa Microwave is a RF & Microwave Isolator with Frequency 2 to 4 GHz, Bandwidth 200 MHz, 300 MHz, Average Power Forward 100 W, Average Power Reverse 20 W, Insertion Loss 0.3 to 0.35 dB. Tags: Coaxial Isolator. More details for MMCCI180A can be seen below.