The 991-380430-951 from M2 Global Technology is a RF & Microwave Isolator with Frequency 380 to 430 MHz, Average Power Forward 200 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 991-380430-951 can be seen below.