Milesight Sensor EM400-MUD
Milesight EM400-MUD is a multifunctional ultrasonic distance sensor designed for smart parking, waste management, and level monitoring. It features 60° beam angle with detection range of 3–450 cm and high accuracy of ± (1+0.3%×S) cm. The sensor offers three operational modes (Standard, Bin, and Parking Lot), IP67-rated enclosure, ultra-long battery life up to 10 years, and supports LoRaWAN, NB-IoT, and Cat M connectivity.
The EM400 series includes multiple variants: EM400-TLD (ToF Laser), EM400-UDL (Ultrasonic), and EM400-MUD (Multifunctional Ultrasonic). This documentation focuses on the EM400-MUD model.
Integration Links
| Resource | Link |
|---|---|
| HARDWARIO Store | Not yet available |
| Official page | https://www.milesight.com/iot/product/lorawan-sensor/em400-mud |
| User Guide | https://resource.milesight.com/milesight/iot/document/em400-mud-user-guide-en.pdf |
| Datasheet | https://resource.milesight.com/milesight/iot/document/em400-mud-datasheet-en.pdf |
General configuration
Configuration is done via NFC using the Milesight ToolBox app.
For sensor configuration instructions, see 👉 General configuration.
LoRaWAN Network Options
For information about supported LoRaWAN network server platforms, see 👉LoRaWAN Network Options
LoRaWAN configuration
| Parameter | Value |
|---|---|
| LoRaWAN version | 1.0.3 |
| Work mode | Class A |
| Join type | OTAA |
| AppEUI/JoinEUI | 24E124C0002A0001 |
| AppKey | 5572404C696E6B4C6F52613230313823 |
Data Encoding & Decoding
| Type | GitHub Link |
|---|---|
| Decoder | View decoder |
| Encoder | View encoder |
| Codec | View codec |
Power supply
| Type | Value |
|---|---|
| Power | 2× ER26500 Li-SOCL2 (18000 mAh) |
Technical Specifications
| Parameter | Value |
|---|---|
| Wireless Transmission | |
| Technology | LoRaWAN®, NB-IoT, Cat M |
| Antenna | Internal |
| Frequency | CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1&2&3&4 |
| Tx Power | 16 dBm (868MHz) / 20 dBm (915MHz) / 19 dBm (470MHz) |
| Sensitivity | -137 dBm @300bps |
| Mode | OTAA / ABP Class A |
| Distance Measurement | |
| Technology | Ultrasonic |
| Detection Range | 3–450 cm |
| Accuracy | ± (1+0.3%×S) cm where S = distance (-15–60°C) |
| Resolution | 1 mm |
| Beam Angle | 60° |
| Additional Sensors | |
| Temperature | -40°C ~ +125°C, Resolution 0.1°C (NTC thermistor) |
| Accelerometer | 3-axis (tilt detection) |
| Features | |
| Modes | Standard Mode, Bin Mode, Parking Lot Mode (LoRaWAN only) |
| Advanced Features | Level monitoring, parking detection, waste management |
| Configuration | NFC / Downlink |
| Physical Characteristics | |
| Power Supply | 2 × ER26500 (9000 mAh each) |
| Battery Life | >10 years (Standard/Bin mode); 5 years (Parking mode, 12 daily triggers) |
| Operating Temp | -30°C ~ +70°C |
| Humidity | 0%–95% RH (non-condensing) |
| Ingress Protection | IP67 |
| Dimensions | 118 × 65 × 32.5 mm |
| Weight | 181.4 g (with batteries) |
| Material | ABS+PC (UL94 V0), Black-gray |
| Approvals | CE, FCC, RoHS |