---
lang: "en"
title: "EM400-MUD Multifunctional NB-IoT Ultrasonic Distance Sensor"
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EM400-MUD Multifunctional NB-IoT Ultrasonic Distance Sensor

The EM400-MUD is a versatile device from the EM400 series, featuring multiple application modes that cater to a variety of scenarios such as smart waste management, smart parking, and other distance and level measurement applications. The EM400-MUD provides a powerful solution with its diverse modes, extended battery life, and robust construction, offering an economical and reliable option to enhance efficiency. Furthermore, its availability in both LoRaWAN and NB-IoT versions enables a variety of application scenarios.

The EM400-MUD utilizes ultrasonic distance sensing, allowing for more precise distance measurement and a reduced blind spot. The accuracy of its measurements makes it an ideal device for a range of applications, from monitoring waste bins to managing parking.

### Technical Features

- Wide detection range of 3-450 cm with a small blind zone
- Equipped with NTC temperature sensor for waste combustion detection and alarm
- Built-in 3-axis accelerometer to monitor the device's tilt status
- Internal moisture-proof coating and IP67 waterproof enclosure for outdoor applications
- Two integrated replaceable 9000 mAh batteries that operate for up to 10 years without replacement
- Equipped with NFC for one-touch configuration, supports credit card emulation mode

## Possible Applications

- Smart parking
- Smart waste
- Common distance/level measurement

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Source: https://shop.marcomweb.it/en/lorawan-waste/em400-mud-multifunctional-nb-iot-ultrasonic-distance-sensor

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