Milesight EM310-UDL LoRaWAN® Ultrasonic Distance/Level Sensor - EU 868MHz


:In stock

Product Features

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


Product Description

With dual ultrasonic beams, the advanced EM310-UDL measures from 3 cm up to 450 cm, thus has ultra-short blind zone. Built-in 3-axis accelerometer allows you to recognize objects’ movement efficiently and reliably.

    Product Specifications

    Wireless Transmission
    Technology LoRaWAN®
    Frequency EU868
    Tx Power 16dBm (868 MHz)
    Sensitivity -137dBm @300bps
    Work Mode OTAA/ABP Class A
    Distance Detection Range 3 – 450 cm
    Distance Detection Accuracy ± (1+0.3%*S) cm, S=distance
    Distance Resolution 1 mm
    Device Position Status Normal/Tilt
    Configuration NFC Configuration via Mobile App
    Physical Characteristics
    Power Supply 2 × 3500 mAh ER17505 Li-SOCl2 Batteries
    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

    Product Downloads

      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 Cyprus are performed either directly from us or using local shipping couriers (i.e. ACS 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: +357 22 282828