Milesight EM310-UDL LoRaWAN Ultrasonic Distance/Level Sensor


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  • 1 Year Warranty
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  • 3-Axis Accelerometer
  • Dual Ultrasonic Sensor
  • IP67 Waterproof
  • LoRaWAN® Based
  • Easy Configuration (via NFC)

Milesight EM310-UDL is a LoRa ultrasonic distance sensor mainly for the detection of waste bin and other container’s fill level. With a compact size and wide measure range, EM310-UDL can be installed to any types of waste bins or containers to monitor solid or liquid level. Besides, EM310-UDL equips with 3-axis accelero meter to detect the status of container cover. Compliant with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can know the container status and fill-in level in real-time via browser or mobile App remotely.

EM310-UDL can be widely used in waste management, water tank monitoring, manhole cover monitoring, etc.

Main Features

  • 3-450 cm wide measuring range with short blind zone
  • Easy to install, suitable for various types of waste bins or containers
  • Built-in 3-axis accelerometer sensor to monitor device tilt status
  • IP67 waterproof and salt pray resistant enclosure for outdoor applications and easy to clean
  • Ultra-wide-distance wireless transmission up to line of sight of 15 km
  • Equipped with NFC for one touch configuration, support card emulation mode
  • Function well with standard LoRaWAN® gateways and network servers
  • Compliant with Milesight IoT Cloud

Facilitate Smart Waste Bin Management


Dual Ultrasonic Sensor

With dual ultrasonic beams, the advanced EM310-UDL measures from 3 cm up to 450 cm, thus has ultra-short blind zone.



Device Motion Detection

Built-in 3-axis accelerometer allows you to recognize objects’ movement efficiently and reliably.

Smart Bin

Revolutionizing Waste Management

Leveraging IoT Cloud or other suitable cloud platforms, EM310-UDL is ideal for monitoring fill-levels of any type of waste remotely and precisely in various containers like waste bin, then triggers alarms to cleaners when the dustbins are nearly full, contributing to the reduction of cost, energy and carbon emission.

Criteria Showing That the Particular Bin Needs to Be Emptied

  • Waste bin fill level – when the garbage amount exceeds the threshold (eg. 75%)
  • Garbage storage time – when the garbage is stored beyond the predetermined time (eg. 2 days)

Benefits of Smart Bin Solution

  • Reduce operational costs, human time and efforts
  • Eliminate overflowing trash bins
  • Easy to install and maintain

Smart Parking

Reinventing the Parking Experience

EM310-UDL plays a crucial role in indoor parking management. It is able to capture real-time parking occupancy information. Leveraging Milesight IoT Cloud or other suitable cloud platforms, it streamlines driving experience, ensuring that drivers are guided to a best parking available and saving time, energy and money.

Save More from Managing Parking Smarter

Milesight provides a complete AIoT indoor parking management suite, with EM310-UDL detecting the occupancy of parking spaces and LoRaWAN® gateway transmitting the data to the parking management system. Additionally, based on AI algorithm, network camera can generate reliable gate control insights.


Benefits of Smart Parking Solution

  • Easy to deploy and maintain
  • Simplify parking for drivers, parking lot operators and traffic administrators
  • Save time, energy and money

IP67 Rating

EM310-UDL is qualified to work at harsh and wet environment with an IP67 rated enclosure to protect against powerful jets of water.

LoRaWAN® Based

  • Milesight EM310-UDL ultrasonic sensor is compatible with industry-standard LoRaWAN® gateways
  • With a range of up to 15 km in rural areas and 2 km in urban areas

More Application Scenarios

Smart Sewer

Smart Sewer

Easy Configuration

Switching on/off and configuring the device via NFC technology from mobile phone or PC

Flexible Installation


Wireless Transmission Technology LoRaWAN®
Frequency AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Measurement Distance
Detection Range 3 – 450 cm
Detection Accuracy ± (1+0.3%*S) cm, S=distance
Distance Resolution 1 mm
Device Position
Status Normal/Tilt
Operation Configuration NFC Configuration via Mobile App
Physical Characteristics Power Supply 2 × 3500 mAh ER17505 Li-SOCl2 battery
Battery Life* Up to 10 years (10 min interval + 20 triggers per day)
Operating Temperature -15°C to +60°C
Relative Humidity ≤90% (non-condensing)
Ingress Protection IP67
Dimension 111 × 62 × 40 mm (4.37 × 2.44 × 1.57 in)
Weight 168g
Material & Color ABS, Black
Installation On the flat surfaces with screws



Additional information
Weight 0.4 kg
Dimensions 19 × 12 × 6 cm
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