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Compass Technology Group (CTG) is a manufacturer of RF/microwave material measurement equipment founded in 2011. Its products are not general-purpose developer tools, but specialized test systems for RF material characterization, non-destructive testing, and manufacturing quality control. Its core software, CTGcalc™, works with the hardware to acquire VNA data, perform calibration and processing, and output parameters such as dielectric constant, permeability, sheet impedance, and insertion/reflection loss.
The product line covers free-space methods, transmission line methods, resonant methods, microwave NDE, and specialized probes. Free-space systems include microwave/millimeter-wave focused-beam systems, tabletop systems, and UHF antenna lens systems, reducing sample preparation requirements and supporting a range of scenarios from 500 MHz to millimeter-wave bands. Transmission line products such as R-Coax support non-destructive, continuous measurement of sheet materials during manufacturing, using CEM inversion to convert S-parameters into material properties. CTGcalc supports S-parameter acquisition, time-domain gating, automatic calibration, material property inversion, and graphical display, and can communicate with VNAs from Copper Mountain, Keysight, Anritsu, Rohde & Schwarz, and others.
No standard pricing or licensing model is publicly disclosed in the main content. It only mentions that the Tabletop System costs about one-third as much as the Microwave Lens System, and that custom databases may incur additional charges. Many systems include shipping cases, installation, system validation, on-site training, and one year of software support and upgrades, indicating that sales are closer to engineering-solution quotation models.
The strengths are the high level of integration across hardware, measurement methods, algorithms, and software, with coverage for laboratory, manufacturing-site, and field testing. It also offers extensive expansion options in terms of frequency range, fixtures, turntables, bistatic scattering, high-temperature furnaces, and more. The downside is that the information is geared more toward engineering procurement than a developer platform: there is no visible open-source information, API/SDK, automation interface documentation, or cloud collaboration capability. The software platform also appears to be primarily limited to Windows.
It is suitable for aerospace, automotive radar, 5G/satellite communications, materials companies, university laboratories, and manufacturing QA teams. It is not suitable for general Web/API/DevOps developers. Access from China cannot be determined from the main content and is marked as unknown; actual procurement would also need to consider export controls, calibration support, and local service capabilities.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on compasstech.com official site.
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