Yes - Some are Bell, Fido, Koodo, Mike(Telus), Public, Rogers, Solo, and Virgin Mobile
No - usually the mobile networks will do all the 'hard work' for you.
Yes it does cost on your cell phone.
No. Unless you are euphemistically referring to unlocking a phone so that it can be used on different networks. In which case the answer is yes.
It's a regular (not cell) phone in Toronto, Ontario, Canada.
It cant be done, with todays cell phone networks, its not possible to transimit "radio frequency" over the phone like that.
yes
One can go to their local cell phone service stores, including Verizon, AT&T, and Sprint to get information on 3G networks. One can also call their local cell phone service stores for the information.
It is not possible. It can only be used on the Sprint or Boost networks.
Canada and america
The best cell phone provider in Canada is Bell. It is the most widely used telephone provider. It is used in cell phones, payphones, and even land line telephones
Do Wi-Fi is a wireless technology that connects users to networks within a range of about 30 miles.
There is not a cell phone that itself can restrict the Internet but some cell phone networks like Verizon can restrict it from their servers. It really depends on what network you are on.