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This article provides an in‑depth technical overview of Wi‑Fi, covering its terminology, frequency bands, 802.11 standards evolution, channel planning, antenna gain, power calculations, MIMO, mesh networking, AC + AP architectures, and practical deployment considerations for optimal wireless performance.
Tencent’s Lianlian IoT mini‑program unifies device classification, a six‑stage secure lifecycle, Wi‑Fi and Bluetooth provisioning, low‑code control panels, and open‑source SDKs into an end‑to‑end platform that accelerates rapid product launch and cross‑platform front‑end development for smart‑home and enterprise IoT solutions.
The article surveys IoT architecture and Wi‑Fi’s role as the primary connectivity layer, then details six Wi‑Fi provisioning techniques—direct UART/SPI, WPS, web‑based AP, SoftAP, SmartConfig/SmartConnection, and sound‑wave—comparing their advantages, limitations, and suitability for different product, cost, and environmental constraints.