Apr 19, 2025 · NB-IoT terminals must always perform Random Access on the Anchor Carrier, and the base station will transmit scheduling information for the Non-Anchor Carrier during the
The base station is a central device that is responsible for communicating with multiple NB Nodes and collecting data from them. The base station typically consists of an NB-IoT module, a microcontroller, and a backhaul interface.
The cellular network links the cell tower with an IoT platform. This IoT platform stores uplink datagrams from the NB-IoT module. The customer server communicates with the IoT platform to retrieve uplink datagrams and to send downlink datagrams to the NB-IoT.
NB-IoT devices are typically deployed in hard-to-reach locations, such as underground pipes, basements, and remote areas, where they need to communicate with a central server, or a base station, which collects data from multiple IoT devices.
Narrowband IoT (NB-IoT) is a low-power wide-area network (LPWAN) technology designed for IoT applications requiring extended coverage, low power consumption, and cost efficiency.
Before sending any IP data to the NB-IoT network configure the device with an IP address. ☞ Use the +CGPADDR AT command to query what the IP address of the module has been set to. The +CGDCONT AT command lists the IP addresses for each defined PDP context.
The customer server communicates with the IoT platform to retrieve uplink datagrams and to send downlink datagrams to the NB-IoT. The IoT platform holds downlink datagrams until the NB-IoT module is awake to receive them. The SARA-N2 series modules implement basic UDP socket commands for directly communicating with an external service.
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