You have to have broadband to play online games..therefore , yes
You can not use a USB to connect the PS3 to Broadband only WiFi or ethernet cable
Any broadband should be fine, you don't need a special ps3 broadband. You can connect wirelessly via the inbuilt wifi or with an ethernet cable to a router.
no, the PS3 can just connect to the internet if you have broadband internet service
No you can not connect the PS3 to the internet with a phone
The PS3 must be connected to a broadband internet service with WiFi or an ethernet cable. The USB ports will not allow an internet connection
you don't PS3 must connect with ethernet cable or WiFi for the internet
You connect the PS3 to the internet with Broadband internet service and a cable or DSL modem and router. see related link
No the PS3 must be connected with WiFi or ethernet cable to broadband or DSL.
Because the PS3 can only have an Internet connection with WiFi and ethernet cable from Broadband internet service. You can never use the USB port to connect to the internet or connect from phones or dial up service
see related link Tips and trobleshooting
as lon as you have a router with ethernet or wireless, sure why not
No you can not use a phone to provide an online connection