Compact anemometer and wind direction vane sensor with ultra-low power & no dead spot. Meets all World Meteorological Organization (WMO) measurement standards of measurement. No wires to connect or batteries to change, no connectors to break. Featuring SigFox or LoRaWAN wireless Star-on-Star network technology for reliable and redundant data transmission. Elliptical cup design of the proven MeteoWind 2 is used to offer superb measurement qualities in a compact and cost-effective instrument made from anodized aluminum.