The IBS-1727 from Stellant Systems is a RF & Microwave Isolator with Frequency 1.7 to 2.7 GHz, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature 0 to 55 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for IBS-1727 can be seen below.