Milesight
The Milesight EM400 LoRaWAN Multifunctional Ultrasonic Distance / Level Sensor, 3 to 450cm is a versatile device among the EM400 series, that is equipped with multiple application modes catering to a variety of scenarios such as smart waste management, smart parking, and other distance/level measurement applications. EM400-MUD constitutes a powerful solution with its various modes, extended battery life, and robust build, providing a cost-effective and reliable option to enhance efficiency
| Measurement | |
|---|---|
| Distance Range | C050: 25 ~ 500 cm C100: 25 ~ 1000 cm  | 
  
| Accuracy | ± (1+0.3%*S) cm, S=distance (-15°C ~ 60°C) | 
| Resolution | 1 mm | 
| Device Position | Status: Normal/Tilt | 
| Temperature Range | -40 ~ 125°C | 
| Temperature Resolution | 0.1°C | 
| 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 (915 MHz) / 19 dBm (470 MHz) | 
| 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/B66/B71/B85  | 
  
| SIM Slot | 1 (Micro SIM-3FF) | 
| Application Mode | TCP/UDP/MQTT/AWS/Milesight IoT Cloud | 
| Operation | |
| 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: > 10 years (10-min Interval, 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)  | 
  
| Operating Temperature | -30°C ~ 70°C | 
| Relative Humidity | ≤95% (non-condensing) | 
| Ingress Protection | IP67 | 
| Dimension | 118 × 65 × 80 mm | 
| Material | ABS + PC (Flame Retardant) | 
| Color | Black gray (C050/C100), Gray (W050/W100/S050) | 
| Installation | On the Flat Surfaces with Screws |