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</html><thumbnail_url>https://allnamics.com/wp-content/uploads/calibration-box_allnamics-800-producten.jpg</thumbnail_url><thumbnail_width>800</thumbnail_width><thumbnail_height>600</thumbnail_height><description>For testing and calibration of your PDR system, this Test Box can be handy. Connected to your PDR, the Test Box generates both calibrated artificial test signals to check the performance of your system, as well as real monitored signals. The latter can also be used for training and practicing purposes.</description></oembed>
