LTE-M & NB-IoT Cellular Firmware Guide

Wireless Protocols

Low-power wide-area network (LPWAN) cellular technologies optimized for IoT. LTE-M supports mobility and voice, while NB-IoT excels at stationary deep-indoor coverage.

Key Topics

Modem initialization and AT commands
PSM and eDRX power modes
MQTT over cellular
LwM2M device management
GNSS integration
SIM/eSIM management

Supported Hardware

nRF9160

Cellular IoT SiP with integrated LTE-M/NB-IoT modem and GPS. Perfect for asset tracking, remote monitoring, and any application requiring wide-area connectivity.

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nRF9161

Next-gen cellular IoT SiP with DECT NR+ support, LTE-M/NB-IoT modem, and GNSS. Enhanced successor to the nRF9160 with improved power efficiency.

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More Wireless Protocols

Bluetooth Low Energy (BLE)

The dominant short-range wireless protocol for IoT, wearables, and consumer devices. BLE 5.4 supports data rates up to 2 Mbps, extended advertising, and direction finding.

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Thread Mesh Networking

IPv6-based mesh networking protocol designed for reliable, secure, low-power IoT device communication. Thread is a foundation of the Matter smart home standard.

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Wi-Fi Connectivity

High-throughput wireless networking for IoT devices needing fast data transfer, web interfaces, or integration with existing IP infrastructure. Wi-Fi 6 brings improved efficiency.

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Frequently Asked Questions

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