This is an NB-IoT (NarrowBand-Internet of Things) HAT for Raspberry Pi, controlled via serial AT commands, supports communication protocols like LWM2M/COAP/MQTT, etc. Due to the advantages of low delay, low power, low cost, and wide coverage, it is the ideal choice for IoT applications such as intelligent instruments, asset tracking, remote monitoring, and so on.
Features:
Raspberry Pi connectivity, compatible with any revision
Supports communication protocols such as LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS, etc.
Onboard USB interface, for power supply OR debugging
Breakout UART control pins, to connect with host boards like Arduino/STM32
Onboard voltage translator, 3.3V by default, allows to be switched to 5V via onboard jumper
SIM card slot, supports NB-IoT specific card
2x LED indicators, easy to monitor the working status
Baudrate: 300bps~921600bps (115200bps by default)
Control via AT commands (V.25TER, 3GPP TS 27.007, and SIMCOM AT Commands)
Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32/Python)
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