Q: Can I plug it in to a 220 voltage wall outlet?
A: Yes, the voltage of the repeater is 110-240V.
Q: Is this compatible with an Xfinity router?
A: Yes, it can be used as long as there is a wireless signal.
Q: Does this plug into a standard outlet?
A: Yes, it does.
Q: Can I use one of these on each side of the house, both connecting to a wireless router?
A: It's OK if you have enough bandwidth in your home to support multiple devices.
Q: Will this make my bad signal better?
A: The repeater can only enlarge the distance of the WiFi signal, but can not enhance the speed of the WiFi signal.
Q: Can this be used out side in a glass bubble?
A: It can be used as long as there is a WiFi signal.