The TX3T2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 380 to 460 MHz, Average Power 30 to 1000 W, Average Power Forward 30 to 1000 W, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for TX3T2 can be seen below.