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The article reports that Ashkelon, Israel-based Vectria Ltd. has developed the RealProbe family of accurate radio frequency (RF) and microwave in-circuit testing probes for both absolute and relative frequency and time domain measurements, using any measurement equipment. To perform adequate in-circuit probing, the probe should have a high input impedance in order to avoid loading of the circuit tested, proper grounding and inner equalization in order to enable broadband flat and accurate coupling. There are numerous applications for in-circuit testing within multifunction RF and microwave boards, starting from the obvious block's gain measurements, up to time domain and EVM measurements.