<p>➀ The article outlines a structured approach to wireless product design, emphasizing component selection (MCU/MPU), wireless technology optimization (LPWAN, Wi-Fi, Bluetooth), and system-on-chip integration.</p><p>➀ It highlights critical considerations like host vs. hostless architectures, antenna design (PCB vs. external), and hardware safeguards to prevent electrical failures.</p><p>➂ Additional focus areas include RF layout best practices, firmware development, and regulatory compliance (FCC, CE) to ensure market viability.</p>