These devices are what you need to make your place a wireless wonderland.
Your modem connects your home network to the internet. Be sure to choose one that is compatible with your internet service provider.
The router connects to the modem to broadcast a Wi-Fi signal to your devices. Look for one that has the right specs for your needs.
Connecting compatible devices to the Wi-Fi signal sent by your router will connect them to the internet & allow them to communicate with each other.