NETGEAR - Universal Wi-Fi Range Extender with Ethernet port
NETGEAR Universal Wi-Fi Range Extender: Broaden your network connection with a range extender that gives you extra Wi-Fi coverage in your home. Smart LED indicators will direct you to the optimal location to plug the extender into the wall, so you can easily enjoy improved range and speed on your mobile and wired devices. Save on data usage by connecting your smartphone or tablet to your home network.
NETGEAR - Universal Wi-Fi Range Extender with Ethernet port
NETGEAR Universal Wi-Fi Range Extender: Broaden your network connection with a range extender that gives you extra Wi-Fi coverage in your home. Smart LED indicators will direct you to the optimal location to plug the extender into the wall, so you can easily enjoy improved range and speed on your mobile and wired devices. Save on data usage by connecting your smartphone or tablet to your home network.
As I understand it a wifi booster is its own network. How would this affect my current existing wifi network I use for cell phones and Tv?
Set up your phone to connect to both networks. There may be a setting on your phone but, typically, by default these networks will be trusted and your phone will automatically connect to the strongest signal.