The Agilent Z 5652A Option H36 Duplexer Test Adapter is specifically designed for use with the Agilent 8753D/E/ES Network Analyzer. The Duplexer Test Adapter expands the capability of a Network Analyzer by providing 3 Test Ports to allow direct interface to test duplexers. It is directly connected to the RF Ports of the Network Analyzer. The interface between the Network Analyzer and the Test Adapter is provided through the Test Set interconnect. In addition, power for the test adapter is provided by the test set interconnect.