A mobile phone, sometimes shortened to just mobile, cell or simply phone is a portable phone that may make and receive calls on a single radio signal link while the user remains within a certain phone service region. There are many different types of mobile phones available and each one has different features. In order for a mobile phone to work it needs an antenna, a receiver, a transmitter and a speaker or headset. The amount of memory that a mobile has will depend on the memory capacity of the cell. It can also be purchased with any type of communications device that you prefer. You can use your mobile to make and receive calls, browse the internet, take pictures, store videos and more.
There are some mobile devices that you can purchase and use in the United States of America and some of them do not have a long-range cellular signal and they will work in any location where there is a signal from a cell phone tower. Mobile phone coverage can be found anywhere but it depends where you live. Most of the larger metropolitan areas will usually have some form of mobile service that you can use for a reasonable price. If you have a GPS device then you can even track your location from anywhere in the world and still receive directions to your location through your GPS.
When you buy a cell phone you may want to consider purchasing a mobile phone plan that you can use when you travel. This will allow you to purchase minutes ahead of time so that if you are going to use the mobile for more than a certain amount of time, you will not have to pay an additional fee for it. You may find that this is a good idea if you use the mobile for business purposes so that you can purchase more minutes for the same price as a home plan. You will also find that most plans include free ring tones so that you can have a nice sound for making calls.