ATOMIC DTU NB-IoT2 Global Version v1.1 (SIM7028)
The M5Stack Atom DTU NBIoT2 v1.1 is a programmable NB-IoT wireless Data Transmission Unit designed for remote monitoring and control, featuring SMA antenna support, UART AT control, and expandable RS485 and I2C/Grove interfaces.
- The M5Stack Atom DTU NBIoT2 v1.1 can reduce power consumption and make it possible to reset the SIM module without fully power cycling.
- An ADC monitoring circuit supports real-time measurement of input power voltage.