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SAW tags and sensors often operate in 2.45 GHz ISM band using relatively narrow frequency Band = 82.5 MHz available there. The characteristics of these devices can be improved using the ultra wide band (UWB) technology. We have developed prototype devices operating in 200 MHz-400 MHz and 2000 MHz–2500 MHz UWB frequency ranges. The UWB reader operating in continuous wave radar mode for 2 GHz range...