CobaltFx WR4.3 Frequency Extension Solution, 170-260 GHz with VDI Extender Modules

CobaltFx cost-effective millimeter wave frequency extension system allows you to build a scalable and affordable 5G testing solution.

  • Frequency Range: 170-260 GHz
  • Connector Type: Waveguide WR4.3

The system can be anchored by your choice of two vector network analyzers:

The total cost of the system depends on the selected VNA. Third-party extenders, including VDI extenders, only work with 20GHz CMT VNAs and require one booster kit for 2-port VNAs (C4220) and two booster kits for 4-port VNAs (C4420). The extenders are packaged in small and versatile enclosures that allow for flexible port arrangements. VDI extenders can be purchased from CMT or VDI.

  • - Frequency range: 170 GHz to 260 GHz
  • - Effective Directivity: 30dB
  • - Dynamic range: 115 dB
  • - Impedance: 50 Ohm

The system can be used for a variety of applications including antenna range measurements, material characterization, wafer s-parameter measurements, automotive radar & sensor testing, etc.


If you want to consult with our engineers about your specific application, please Ask an Engineer.

Every CMT VNA includes an RF measurement module and software application which runs on a Windows PC, laptop, or tablet, connecting to the measurement hardware via USB interface. Software can be installed on multiple computers that share the use of the analyzer measurement module. Test Automation programming in LabView, Python, MATLAB, .NET, etc.


CobaltFx Data Sheet  |  CobaltFx Assembly Guide


S2 & S4 Programming Manual (COM)  |  S2 & S4 Programming Manual (SCPI)  |  S2 Operating Manual  |  S4 Operating Manual  |  Booster Operating Manual


S2 VNA Software  |  S2 Software Release Notes  |  S4 VNA Software  |  S4 Software Release Notes  |  Software/Documentation Page

Testing Automation

Programming Examples  |  Programming Guides  |  SX LABView Drivers