The easiest way is to use a wireless router connected to your cable modem.
You can not share your phone wireless internet with your PS3. The PS3 will search for a WiFi connection and if one is found it can be used to connect to the internet. If you have internet service it is not a problem to connect to the PS3
Wireless router
The device you are referring to is a router.
You can share a USB modem internet to other computers on the network by simply creating a wireless network with the comp where the modem is connected and then connecting the other computers to the network via the wireless network that you created.
Yes, a wireless router can be used to share internet wirelessly regardless of where the internet is coming from. You should be aware though that a slow connection will only get slower when routed to multiple computers.
a wireless router
A router is a device that connects to your modem to share your internet connection with other computers. A wireless router uses a power cord and an Ethernet cable to connect from the modem to the router without the need of a connection between the router and the computers it's sharing the Internet connection with. A USB wireless router connects to the modem using a single USB connection that serves as both the power supply and data connection.
you need two phone lines to share the internet with your x box
You can use a wireless network (WLAN) to share Internet access, files, printers, game consoles, and other devices among all the computers in your home.
A router is a device connecting two or more computers. They can be either wired or wireless, depending on individual needs. A router can be used to share files between networked computers. In addition, a router can also split a single internet connection between networked computers.The question was a little vague but I hope this answered it.
When you sign up for internet, you need a modem to get internet but a modem only gives the internet to one device. A router is the device your connect to the modem to share your internet with multiple devices (computer, smartphone, etc.) through a cable or wireless.
Yes. This is called "wireless bridging" and is a common feature on most modern wifi routers and access points.