The DI-837-161 from RF & Noise Components is a RF & Microwave Isolator with Frequency 824 to 849 MHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.25 to 0.3 dB, Isolation 23 to 26 dB. Tags: Drop-In, Drop-In Isolator. More details for DI-837-161 can be seen below.