There is no specific location for installing your main unit. However, to be connected by a network cable to your Internet router, your main unit should most likely be installed near the router.
If you want to install your main unit in a more strategic location for better wireless coverage of your home:
- You may either have network jack in your walls, which is common in recently constructed homes, or
- You can install CPL sockets to extend the Ethernet network to where you need