The RMIS20.5800-6500Nf from Response Microwave Inc is a RF & Microwave Isolator with Frequency 5.8 to 6.5 GHz, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for RMIS20.5800-6500Nf can be seen below.