The JID0290T0320UM1L from JQL Electronics is a RF & Microwave Isolator with Frequency 290 to 320 MHz, Average Power Forward 120 W (Peak Power), Peak Power Forward 0.12 kW, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0290T0320UM1L can be seen below.