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Product description: Atom DTU NB-IoT2 - Cat-NB communication module with antenna - SIM7028 - for M5Atom development modules - M5Stack K059-B
The Atom DTU NB-IoT2 from M5Stack is an advanced data transmission unit (DTU) designed for NB-IoT applications. Equipped with a SIM7028 module, it supports global Cat-NB bands , offering a wide range of applications worldwide. The included AtomS3 Lite controller allows you to customize the module to your individual needs. Thanks to the external SMA antenna, the module provides excellent signal stability and quality. It supports numerous network protocols, including TCP, MQTT, HTTP and TLS , and offers transmission speeds of 127 kb/s (DL) and 159 kb/s (UL). The Atom DTU NB-IoT2 features an open architecture that allows for software modifications and integration with sensors via RS485, I2C or Grov e interfaces. Ideal for low-latency applications such as remote monitoring, telemedicine and asset tracking. The compact dimensions and rail mounting allow for easy installation in industrial environments.
Atom DTU NB-IoT2 - Cat-NB communication module with antenna - SIM7028 - for M5Atom development modules - M5Stack K059-B.
The kit includes the AtomS3 Lite development module, but is also compatible with other Atom series controllers.
Key Features of Atom DTU NB-IoT2
- Global Cat-NB Bands: The SIM7028 module supports bands that enable the device to be used worldwide
- High signal stability: external SMA antenna improves transmission quality and minimizes interference
- Open source: compatible with AtomS3, AtomS3 Lite, Atom Matrix and Atom Lite, allowing you to customize your device to your specific needs
- Expansion Interfaces: Supports RS485, I2C and Grove for connecting sensors and actuators
- Multi-protocol support: supports TCP, MQTT, HTTP, TLS and other protocols
- Compact design: dimensions 65.3 x 28.7 x 24 mm and rail mounting for easy integration
You will also find other M5Stack modules in our offer
Module connection and compatibility
Atom DTU NB-IoT2 enables easy connection thanks to RS485, I2C and Grove interfaces, which allow integration with sensors and actuators. Communication is via UART at 115200 bps . The module is compatible with AtomS3 , AtomS3 Lite , Atom Matrix and Atom Lite controllers, which provides flexibility in IoT applications and the ability to adapt to various design needs.
Module Applications
- Monitoring and remote control in industrial applications
- Asset and vehicle tracking
- IoT applications in telemedicine and smart city systems
- Support for smart city technologies, including city bikes and infrastructure
It has a connector for the included external SMA antenna.
The design of the module allows for mounting on a rail.
Atom DTU NB-IoT2 Technical Specification
- Communication module: SIM7028
- Supported Bands: B1 / B2 / B3 / B4 / B5 / B8 / B12 / B13 / B14 / B17 / B18 / B19 / B20 / B25 / B26 / B28 / B66 / B70 / B85
- Network protocols: TCP, UDP, HTTP, TLS, MQTT, LwM2M, CoAP, SSL
- Communication Methods: UART 115200 bps
- SIM card type: micro SIM
- Power supply: USB (5V), RS485 (9V to 24V)
- Antenna: external SMA, 2.5 dBi
- Operating temperature: 0°C to 40°C
- Dimensions: 65.3 x 28.7 x 24 mm
- Weight: 24.6 g
Kit Contents
- 1x Atom DTU-NB-IoT2
- 1x AtomS3 Lite
- 1x SMA Antenna (2.5 dBi, length 110 mm)
- 1x Red SMA Antenna Cap
- 1x Allen key
- 1x Screw M2 x 16
- 1x 4-pin connector with a pitch of 3.96 mm
