Milesight EM400-MUD LoRaWAN® Multifunctional Ultrasonic Distance Sensor (EU868)

Milesight EM400-MUD LoRaWAN® Multifunctional Ultrasonic Distance Sensor (EU868)

• Three Pre-set Modes for Seamless User Experience
Standard Mode/Parking Lot Mode (LoRaWAN version)/Bin Mode
• Ultrasonic Distance Detection with Small Blind Spots
• 3-in-1 Sensor for Powerful Performance
• Long-Lasting Battery Life of up to 10 Years
• Rugged and Reliable IP67 Rated Enclosure

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Product Description

The Milesight EM400-MUD is a versatile and multifunctional ultrasonic distance sensor equipped with LoRaWAN® technology, ideal for applications like smart waste management, smart parking, and other distance/level measurement tasks. This sensor offers precise ultrasonic distance detection with a small blind spot, ensuring accurate measurements.

Key Features

  • Three Pre-set Modes: Standard Mode, Bin Mode (for trash bins), and Parking Lot Mode (LoRaWAN version only).
  • Small Blind Spot Ultrasonic Distance Detection: Provides precise distance measurement and small blind spots.
  • Rugged and Reliable: IP67 rated enclosure for harsh environmental conditions.
  • Long-Lasting Battery Life: Up to 10 years, depending on the mode and usage.
  • Positioning Function: Enabled by GNSS Modules (NB-IoT version).
  • Versatile Applications: Suitable for various scenarios including parking management, waste water management, and grain or fertilizer level monitoring.
  • Wireless Transmission: LoRaWAN® and NB-IoT & CAT M versions available.
  • Robust Build: Features a conformal coating on its PCBA for extra protection.

The EM400-MUD is a powerful solution for distance and level monitoring, providing flexibility, extended battery life, and durability in diverse applications​.

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Wireless Transmission
LoRaWAN® Version
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power 16 dBm (868 MHz)/20 dBm (915MHz)/19 dBm (470MHz)
Sensitivity -137dBm @300bps
Mode OTAA/ABP Class A
NB-IoT/Cat M Version
Cellular Band Cat M1: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85
Cat NB2: B1/B2/B3/B4/B5/B8/ B12/B13/B18/B19/B20/B25/B28/
SIM Slot 1 (Micro SIM-3FF)
Application Mode TCP/UDP/MQTT/AWS/Milesight IoT Cloud1
Detection Range 3 ~ 450 cm
Detection Accuracy ± (1+0.3%*S) cm, S=distance(-15°C ~ 60°C)
Detection Resolution 1 mm
Device Position
Status Normal/Tilt
Range -40 ~ 125°C
Resolution 0.1°C
GNSS Positioning (NB-IoT/Cat M Version Only)
Parameters Longitude/Latitude
Resolution 0.000001
Power On & Off NFC, Power Button (Internal)
Configuration Mobile App (via NFC)
Physical Characteristics
Power Supply 2 x 9000 mAh ER26500 Li-SOCL2 Batteries
Battery Life LoRaWAN® Version:
Standard mode: > 10 years (10 min interval, 25°C)
Bin mode: > 10 years (20 min interval, 25°C)
Parking lot mode: 5 years (12 triggers per day, 25°C)
NB-IoT/Cat.M Version:
TCP/UDP—Around 10 Years, MQTT/AWS—Around 5 Years
(4 Times Report per Day, per Report Includes 12 Packages with 30-min Collection Interval, 25°C)3
Operating Temperature - 30°C ~ 70°C
Relative Humidity ≤95% (non-condensing)
Ingress Protection IP67
Dimension 118 × 65 × 32.5 mm
Material & Color ABS + PC (Flame Retardant), Black gray
Installation On the Flat Surfaces with Screws

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

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