RVS technology is intended for mobile or stationary wireless communications where the orthogonal frequency division multiplexing (OFDM) is used. The technology allows to increase the number of channels in a dedicated frequency band, to increase the interference immunity of signal and transmission bi.....
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production of foamed ceramic materials with thickness up to 200 mm with closed finely porous structure inside the material
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transmits the receipt information, collects receipt's data from multiple merchants, improves the security of transmitted data.
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