The TX7M1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 750 MHz to 1.12 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Isolation 17 dB. Tags: Module with Connectors, Coaxial Isolator. More details for TX7M1 can be seen below.