The radio-frequency signal frequency conversion device generates intermediate complex signals for a correlation stage of a low power RF receiver. The air outlet device further comprises a holding element formed with an accommodating opening having the nozzle body supported therein for rotation about a longitudinal axis extending through the air intake opening and the air outlet opening, and a valve body, arranged coaxially within the nozzle body and guided by the holding element. , cement, cellulosic fibers, siliceous material, and water; forming a composite precursor by removal of at least some of the water; and curingdrying the composite precursor at a temperature at least 10\xb0 C. In addition, communications may be received and acted on by the tool. An instruction divisionintegration unit transmits to the next server the job flow instruction with the electronic signature value attached.