The web page context is a configuration guide for the N9042B UXA Signal Analyzer, a wideband millimeter-wave signal analyzer in the X-series signal analyzer portfolio. The guide helps users to determine which performance options, measurement applications, accessories, and services to include with their new UXA order or to add as upgrades to an existing UXA. The guide provides a step-by-step process to configure the N9042B UXA signal analyzer according to the user's requirements. The guide also lists the options and accessories that are included in the base product, as well as the instrument upgrades that are available with license keys or additional hardware. The guide also provides information on service and support options, such as KeysightCare and calibration services. For more information on the N9042B UXA signal analyzer, users can visit www.keysight.com/find/uxa or refer to the related resources at the end of the guide.