Milesight EM310-UDL LoRaWAN Ultrasonic Distance/Level Sensor (EU868)

Milesight EM310-UDL LoRaWAN Ultrasonic Distance/Level Sensor (EU868)


:In stock


Product Features

Technology LoRaWAN®
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/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

With a compact size and large measurement range, the EM310-UDL can be installed to waste garbage cans or containers to solid or liquid fill level.

In addition, EM310-UDL is equipped with a 3-axis accelerometer to detect the status of the container lid.

Compatible with Milesight LoRaWAN® gateway and Milesight IoT cloud solution, users can remotely detect container status and fill level in real time via a browser or mobile app.

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


Shipping Policy

We provide worldwide shipping using only tracked shipping services. Currently all our international shipments are performed by TNT Express and FedEx. Local shipments to Greece are performed either directly from us or using local shipping couriers (i.e. ELTA Courier).

We ship products within 1-3 days after the order is placed. You will be notified by email when your order is dispatched and you will receive the relevant shipment tracking number which you can use to track your shipment.

Shipment Tracking

You can use the following links to track your order using the provided tracking number in the case of international orders.
  • Orders shipped with TNT Express: TNT Tracking
  • Orders shipped with FedEx: FedEX Tracking
  • General Return Policy

    We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

    To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

    To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

    For any further information, help and support regarding the shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +30 210 421 2380