# Milesight EM400-MUD NB-IoT | TagoIO Devices

> Ultrasonic distance sensor with 3-axis accelerometer, temperature sensor, over NB-IoT

![Milesight EM400-MUD NB-IoT](https://decoders.assets.tago.io/decoders/connector/milesight/em400-mud-nb-iot/assets/logo.png)

Ultrasonic distance sensor with 3-axis accelerometer, temperature sensor, over NB-IoT

**EM400-MUD** is a multifunctional ultrasonic distance sensor designed for small-range detection and minimal blind spots. It includes a 3-axis accelerometer and a temperature sensor for device status monitoring. The sensor features a high IP rating and a waterproof enclosure, capable of operating in harsh environments for up to 10 years with two 9000 mAh batteries. Available in NB-IoT/Cat.M versions, it supports various communication needs. The NB-IoT/Cat.M version includes GNSS for tracking and security.

[Connect this Device](https://admin.tago.io/connectors/5ede22a7427104001c248b08/c82bd2bfe261272718f4f6ad)

[llms.txt](https://tago.io/llms.txt)