Smart home devices need connectors and antennas for seamless operation. USB (Type-C, micro-USB) provides power and updates, while Ethernet supports hubs and security systems. Proprietary connectors may apply. Antennas enable Wi-Fi, Bluetooth, Zigbee, Z-Wave, and cellular links, ensuring stable coverage. Compact, efficient designs are vital for battery devices, supporting reliable, secure, real-time smart home control.