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Calypso Instruments Ultra Low Power LoRa User Manual page 5

Wind meter

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3. Technical specifications
The Ultra Low Power LoRa has the following technical specifications:
3.1
Dimensions· Diameter 70 mm (2.76 in.)
· Height: 95 mm (3.74 in.)
3.2 Weight
·213 grams (7.1 oz.)
3.3 Power
3.3- 5 DCV
50 Hours Active use
Battery Powered
Wireless Charging QI
3.4 Sensors
Ultrasonic transducers (4x)
3.5 Bluetooth & LoRa
· Bluetooth: Version: 5.1 or beyond
BLE is the first open wireless communication technology, offering communication between
mobile devices or computers and other smaller devices such as our new wind meter.
Compared to Classic Bluetooth, BLE provides considerably reduced power consumption
and cost while maintaining a similar communication range. t incorporates important
developments for the user by facilitating the reconnection between their devices once they
leave and re-enter the Bluetooth range.
· Output Protocol: LoRa P2P (up to 3 km direct line of sight). Our device is available for LoRa
frequencies 868 and 915 MHz, with 433 MHz being added in the future
3.6 Wind Information
Sample rate: 1 Hz
Wind Speed
Range: 0.5 to 45m/s (1.12 to 100 mph)
Accuracy: ±0.3m/s at 10m/s (0.67mph at 22.37 mph)
Threshold: 0.5 m/s (1.12 mph)
Wind direction Range: 0 - 360º
Accuracy: ±1º
Ultra Low Power LoRa Wind Meter User manual
· Wind speed
· Wind direction
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