The 991-318328-951 from M2 Global Technology is a RF & Microwave Isolator with Frequency 318 to 328 MHz, Average Power Forward 200 W, Average Power Reverse 150 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 991-318328-951 can be seen below.