The RMIS20.1000-1200Nf from Response Microwave Inc is a RF & Microwave Isolator with Frequency 1 to 1.2 GHz, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for RMIS20.1000-1200Nf can be seen below.