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IoT Implementation — Modems, Power, Security, Certification · Pro
Working with cellular IoT modems through raw AT commands is possible but inefficient. Each vendor provides an SDK that wraps AT commands in higher-level APIs and adds capabilities the bare modem does not provide. Nordic nRF Connect SDK: built on Zephyr RTOS, used across Nordic's entire product line. Includes cellular, Bluetooth, application processor, and integration with Nordic's cloud services. Quectel QuecOpen: lets developers run their own application code directly on the modem's embedded Cortex-M core. Single-chip designs eliminate the separate MCU, reducing BoM cost. Sequans GM02S SDK:…