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If the garage and the residence share the same electrical circuit, using a powerline adapter kit (such as the TL-WPA series) offers a practical solution that avoids the hassle of laying new Ethernet cables. This allows you to establish a stable wired or wireless connection for the cameras and inverters in the garage. Also, you can refer to What is a WiFi Booster and How to Choose the Best One to select a produce that may suits you.

How Powerline Adapters work:
Powerline products work by turning your home's existing electrical wiring into network cables, transmitting internet signals from room to room — or in your case, potentially to your garage. To set up a powerline network, you need at least two devices:
• A primary powerline adapter (base unit): plugged into a wall socket near your router and connected to the router's LAN port via an Ethernet cable.
• A secondary powerline device (extender): plugged into a wall socket in the area where you need connectivity (your garage), which then provides either a wired Ethernet connection or Wi-Fi (on models with Wi-Fi support, such as TL-WPA series).

Important consideration for your garage:
The most critical requirement is that all powerline devices must be on the same electrical circuit. If your garage is on a separate electrical circuit from your house, the powerline signal may not pass through reliably or at all. Before purchasing, it's worth checking whether your garage shares the same electrical circuit as your home — this will determine whether a powerline solution is viable for your setup.

Additionally, keep in mind:
• Avoid plugging powerline adapters into power strips or extension boards; always use a direct wall socket.
• Avoid placing them near surge protectors or air switches, as these can block the powerline signal.

For a detailed setup guide, you can refer to: How to secure (pair) the Powerline Network ;

Click Powerline Adapters to select a suitable kit.