EM400-MUD Ultrasonic Distance Sensor

Milesight EM400-MUD LoRaWAN® Ultrasonic Distance Sensor

The EM400-MUD is a multi-functional LoRaWAN® ultrasonic sensor designed for smart waste management, parking monitoring, and general distance or level measurement. With three built-in operation modes, a compact IP67-rated build, and 10-year battery life, it offers a reliable, low-maintenance solution for IoT deployments.

• 3-in-1 Sensor: Ultrasonic Distance, 3-Axis Accelerometer, and NTC Thermistor
• Three Pre-set Modes: Standard / Bin / Parking
• Small Blind Spot for High-Accuracy Detection
• IP67 Rated Rugged Enclosure
• 10-Year Battery Life with 2 × 9000 mAh Li-SOCl? Batteries
• Easy NFC Configuration
• Up to 15 km LoRaWAN® Transmission Range

Key Applications

• Smart Waste Management: Monitor trash bin fill levels, detect lid activity, and trash combustion risks
• Smart Parking: Detect vehicle presence with real-time status updates
• Level Monitoring: Water tanks, grain silos, fertilizers, and industrial bins

Video Overview

Technical Specifications – LoRaWAN® Version

• Frequency Bands: CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923
• Transmission Power: 16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz)
• Sensitivity: -137 dBm @ 300 bps
• Mode: OTAA/ABP Class A

Distance Measurement

• Detection Range: 3 – 450 cm
• Accuracy: ±(1 + 0.3% × S) cm, S = distance (-15°C to 60°C)
• Resolution: 1 mm

Temperature Measurement

• Range: -40°C to 125°C
• Resolution: 0.1°C

Device Status

• Accelerometer: Detects normal or tilt status

Operation & Configuration

• Power On/Off: Internal Power Button & NFC
• Configuration: Mobile App via NFC

Power & Durability

• Battery: 2 × 9000 mAh ER26500 Li-SOCl?
• Battery Life:
  • Standard Mode: >10 years (10 min interval)
  • Bin Mode: >10 years (20 min interval)
  • Parking Mode: ~5 years (12 triggers/day)
• Ingress Protection: IP67
• Material: Flame-retardant ABS + PC (Black gray)
• Dimensions: 118 × 65 × 32.5 mm
• Operating Temperature: -30°C to +70°C
• Humidity: ?95% (non-condensing)
• Installation: Flat surface mounting with screws

LoRaWAN® Network Compatibility

• Penetrating Signals: Transmission range up to 2 km (urban) / 15 km (rural)
• High Compatibility: Works with all standard LoRaWAN® gateways and network servers

Documentation

EM400-MUD Datasheet

EM400-MUD User Guide