The MMCCI250A from Mesa Microwave is a RF & Microwave Isolator with Frequency 600 MHz to 3.1 GHz, Bandwidth 30 MHz, 200 MHz, Average Power Forward 200 W, Average Power Reverse 30 W, Insertion Loss 0.3 to 0.6 dB. Tags: Coaxial Isolator. More details for MMCCI250A can be seen below.