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5. Network & Connectivity

SMHUB provides robust and flexible networking options to ensure reliable operation in both enterprise environments and home setups. It can connect via Ethernet, Wi-Fi (2.4/5 GHz), Bluetooth, and optionally via VPN tunnels and DDNS services for secure remote access.

5.1 Ethernet

  • Primary interface for stable operation.

  • Supports 100Mb Ethernet via onboard RJ-45 port.

  • Recommended for enterprise and multi-device deployments.

  • Provides lowest latency and highest reliability compared to wireless options.

5.2 Wi-Fi

SMHUB includes dual-band Wi-Fi with both 2.4 GHz and 5 GHz support.

  • 2.4 GHz

    • Longer range, higher wall penetration.

    • Ideal for IoT-heavy environments with many legacy devices.

  • 5 GHz

    • Higher throughput.

    • Less interference in crowded environments.

    • Suitable for high-speed data transfers and local automations.

Operating Modes:

  • Client Mode

    • SMHUB connects to an existing Wi-Fi network.

    • Configurable via CLI (nmcli) or SSH.

    • Web UI configuration will be available in upcoming updates.

  • Access Point Mode (in development)

    • SMHUB creates its own Wi-Fi network.

    • Default SSID: SMHUB-XXXX (last 4 MAC digits).

    • Default password: smhub1234.

    • Useful for first-time setup or when no LAN is available.

5.3 Bluetooth

  • Bluetooth 5.0 with BLE (Bluetooth Low Energy) support.

  • Future updates will expand Bluetooth integration into the web interface.

5.4 VPN (WireGuard)

SMHUB includes WireGuard VPN for secure tunneling.

  • Provides encrypted remote access to SMHUB and connected devices.

  • Suitable for enterprise remote deployments or secure home use.

  • Configuration available via CLI or SSH.

  • Can be combined with DDNS for access without a static IP.

5.5 USB Networking

When connected via USB-C upstream, SMHUB can act as a network device to the host PC:

  • Appears as an Ethernet-over-USB adapter.

  • Provides direct access without needing an external router or switch.

  • Useful for initial setup, debugging, or portable use cases.

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