The MMCCI48A from Mesa Microwave is a RF & Microwave Isolator with Frequency 280 MHz to 1.3 GHz, Bandwidth 30 MHz, 100 MHz, Average Power Forward 400 W, Average Power Reverse 250 W, Insertion Loss 0.3 to 0.4 dB. Tags: Coaxial Isolator. More details for MMCCI48A can be seen below.