Calypso Ultra-Low-Power LoRa Ultrasonic Wind Meter + Receiver

Wireless. Long-Range. Battery Powered. Built for Remote Environments.

The Ultra-Low-Power (ULP) LoRa Ultrasonic Wind Meter is a compact, battery-powered anemometer designed for long-range wind speed and direction monitoring. Utilizing Bluetooth Low Energy (BLE) and LoRa (Long Range) wireless technology, it transmits data up to 1.86 miles (3 km), making it ideal for remote locations where traditional infrastructure is unavailable. Compatible with iOS, Android, and Garmin watches, the ULP LoRa is easy to install, simple to operate, and engineered for reliable performance in diverse outdoor environments.

Wireless & Battery Powered

Thanks to its Bluetooth connectivity and QI wireless charging capability, the LoRa offers total cable-free operation. Recharge it effortlessly using any USB-connected wireless charging pad.

Built for Field Applications

Designed for long-term deployment in rugged settings, the ULP LoRa provides accurate real-time data for professionals in:

• Maritime: Coastal wind monitoring at multiple points

• Golf: Simultaneous wind measurement across various zones

• Ballistics: Long-range shooting wind assessments

• Wind Energy: Site viability testing for wind farms

Key Features

• Compact & Portable: Lightweight, field-ready design for remote use.

• Long-Range Connectivity: Sends data wirelessly up to 3 km via LoRa.

• BLE + App Support: Pairs with the free Anemotracker App (iOS, Android, Garmin).

• Battery-Powered & Wireless Charging: Rechargeable using any QI wireless pad connected via USB.

• Tripod Mountable: Standard 1/4″ female thread for flexible mounting options.

• No Infrastructure Needed: Ideal for remote wind monitoring without cables or local networks.

• Multi-Industry Use: Perfect for marine, golf, ballistics, and wind energy applications.

Easy Mounting Options

Whether it’s mounted on a tripod using the standard 1/4″ female thread or deployed in the field, the Ultra-Low-Power LoRa Ultrasonic Wind Meter this device offers flexible use cases across industries.

Connection & Configuration

Free Anemotracker App

The Anemotracker app is available for free and provides real-time wind speed and direction data. It is compatible with both the Ultrasonic Portable Mini and Ultrasonic Portable Solar anemometers.

Key Features:

• Four modes: Marine, Golf, Meteo, and Ballistics.

• Apparent and real wind speed/direction (for vehicles or boats).

• Track and export wind data via Excel or Google Earth.

• Firmware updates directly from the app.

• Adjustable wind damping and Velocity Made Good (VMG) calculations.

• Advanced data visualization with means and deviation graphs.

• Customizable units of measure: m/s, km/h, knots.

• Additional features include threshold alarms, direction offset, and map mode.

Download the App

• For iOS
• For Android
• For Garmin Connect IQ

Compatibility with Other Apps

The Ultrasonic Portable Mini is also compatible with several other apps:

• Marine: Weather 4D, iRegatta, Sail Racer, and more.

• Sailing: Vakaros, and Novasail.

• Ballistics: Hornady, Strelok Pro, and Eagle Ballistics.

Technical Specifications

Material: Nylon polymer

Dimensions:

• Diameter: 70 mm (2.76 in.)
• Height: 95 mm (3.74in.)

Weight: 213 grams (7.1 oz.)

Wind Speed:

• Range: 0.5 – 25 m/s (1.12 – 56 mph)
• Accuracy: ±0.3 m/s at 10 m/s (0.22 mph at 22 mph)
• Threshold: 0.5 m/s (1.12 mph)

Wind Direction:

• Range: 0 – 359º
• Accuracy: ± 1

Wind Information: Apparent and real wind speed & direction via App.

Sensors: Ultrasonic transducers (4x)

Sample Rate: 1 Hz

Power:

• ULP LoRa:
  • 3.3 – 5V DC
  • Battery powered (Wireless charging QI)
• Receiver:
  • Lithium polymer battery
  • USB-C charging

Battery Runtime: 50 hours of active use – same battery runtime for the ULP LoRa and the receiver

Data Output:

• LoRa P2P (up to 3km direct line of sight) – available for LoRa frequencies 868 and 915 MHz that will be added in the near future
• Bluetooth 5.1

Bluetooth Range: Up to 30 m (98 ft.)

Firmware: Upgradable via Bluetooth

IP Code:

• ULP LoRa: IPX8 protection grade
• Receiver: IP65

Mount:

• Tripod mount – female thread screw
• Base:
  • 3 x M3 female tripod threads
  • 3 × M4 female threads (UNC 1/4″-20 – tripod-compatible)
• Side: 3 x M4 female threads (UNC 1/4″-20)

Compatibility: Android & IOS devices, tablets, Garmin watches

Package Contents

• 1 x Ultra-Low-Power LoRa Ultrasonic Weather Instrument

• 1 x Wireless QI charger

• 1 x Receiver

• 1 x USB-C charging cable

• Serial number references on packaging

• Quick user guide with additional useful information

Documentation

• Data Sheet
• Instruction Manual