The DFM-17 radiosonde is designed for accurate upper-air meteorological measurements. It features multi-GNSS windfinding technology, a robust and stable transmitter, and an intuitive design with LED status indicators. The device offers optional interfaces such as XDATA and NFC for easy initialization and ground checks. With its environmentally conscious design, the DFM-17 minimizes impact while delivering reliable and precise data for meteorological agencies and researchers worldwide.