LoRaWAN , NB-IoT , Distance & Level Sensor

Model	Photo	Description
NDDS20 NB-IoT Liquid Level Sensor		NB Bands: B1/B3/B8/B5/B20/B28 Uplink via MQTT,TCP,CoAP or UDP Ultra Low Power Consumption Valid level range : 20mm - 2000mm
LDDS20 LoRaWAN Liquid Level Sensor		LoRaWAN non contact Liquid Level Sensor Bands:EU433,CN470,EU868,IN865,KR920,AS923,AU915,US915 Ultra Low Power Consumption Ultrasonic sensing Valid level range : 20mm - 2000mm Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
LDDS75 LoRaWAN Distance Detection Sensor		LoRaWAN Distance Detection Sensor Bands:EU433,CN470,EU868,IN865,KR920,AS923,AU915,US915 Ultra Low Power Consumption Ultrasonic sensing，Distance: 280~7500 mm Accuracy: ±(1cm+S*0.3%) (S: Distance) Measure Angle: 40°

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