Agilent / Keysight U11645A Verification Kit, WR-19

The Keysight U11645A Verification Kit is a precision standard designed to validate WR-19 waveguide system performance across 40 GHz to 60 GHz. This kit enables network analyzer calibration verification and systematic error characterization, with all measurements traceable to NIST. Engineers use it to confirm measurement validity and verify that waveguide components - adapters, attenuators, terminations, and filters - meet specified requirements.

Technical Specifications

• Waveguide Size: WR-19


• Frequency Range: 40 GHz to 60 GHz


• Flange Type: UG-383/U-M


• Waveguide Dimensions: 0.188 inches × 0.094 inches (4.7752 mm × 2.3876 mm)


• Measurement Traceability: NIST


• Material: Brass, OFHC copper, or aluminum; instrumentation-grade sections gold-plated

Key Features

• Standard waveguide section with characterized RF performance


• Stepped impedance airline for calibration procedures


• 20 dB and 50 dB attenuators with measured uncertainties


• Known mismatch standard for systematic error quantification


• High-grade oxygen-free copper construction ensures repeatable performance

Typical Applications This kit calibrates and verifies network analyzer performance across the millimeter-wave band. Engineers employ it to confirm valid measurement calibrations, assess system dynamic range accuracy, and characterize waveguide-based RF components. It is a traceable standard for validating attenuator performance, mismatch conditions, and overall system integrity in 40–60 GHz applications.

Compatibility & Integration Designed for integration with Keysight PNA Series network analyzers. Operates with complementary calibration standards such as the Keysight U11644A. The UG-383/U-M flange ensures compatibility with standard WR-19 waveguide systems.