How many times have you encountered a situation when you were looking for a place and after traveling long distance, you realized that you were lost? Even asking directions from a passersby does not really help because after a turn or two, you are again looking for someone to guide you. If you are in a dangerous or insecure neighborhood the problem magnifies. But what if your unlocked cell phone, prepaid or postpaid, has a turn-by-turn plan laid out for you; and if you take a wrong turn, new directions appear assisting you all the way. That’s exactly what new generation GSM 3G phones are capable of doing. In effect this gives you a handheld GPS easy to use when you are new to an area.

Global Positioning System

GPS or Global Positioning System is a device used for navigation purposes.  It is capable of calculating your location and can provide you with complete directions to reach your destination. GPS receiver works as a two-way radio and communicates with the satellites sending navigation messages orbiting around the earth. It then uses the method of trilateration (intersection of 3 spheres formed by 3 satellites used to find your location) and their intersection points clarify your position. An ingenious invention in an era of innovation.

Assisted GPS in GSM unlocked cell phones

GPS tracking systems are available as separate devices that can be used in vehicles/cars. Portability as a concept today is growing and when combined with the need for multi-tasking to be compacted or condensed into one device, the unlocked cell phone jumps to the head of the queue.  Simply put, while having all your electronic resources at your finger tips no matter where you are, no one wants to carry so many things around. The latest generation of 3G unlocked phones can treble up as camera, MP3 player, 3G wireless pay as you go Internet access, and so much more. The unlocked cell phones have acted as the best medium so far to integrate almost everything. The importance of GPS in navigation and need for portability has prompted the cell phone companies to introduce the GPS tracking feature in the handsets in the form of AGPS or Assisted GPS. What can be more interesting than getting all the portable GPS services on your favorite cheap unlocked cellular phones? In the latest GPS reviews there is considerable space devoted to portable GPS options. This confirms that certain model unlocked cell phones offered by Nokia emerged as being the most versatile and in the end the best GPS system available in this portable category.

Nokia unlocked phones with GPS options

Nokia being a front runner and a leader in introducing new technologies in mobile devices, has made it a point to include Assisted GPS or AGPS in all the Nokia N series and E series 3G equipped unlocked cellular phones. Nokia N95 8GB has built in GPS tracking system. The best GPS cell phone is from the Nokia 6110 navigator 3G phone. It uses dedicated GPS keys and has very fine loudspeaker to convey instructions. It is available in both locked and unlocked variants. HTC P3300, a GSM phone closely follows Nokia 6110. Nokia also allows enhancing the capabilities of its phones providing GPS units as accessories. In the case of Nokia 2330, Nokia 6500 Classic, Bluetooth GPS receiver can be used.

Nokia are looking to transition the GPS into other models as well. In this regard, the Nokia E 65 and the Nokia E71 3G prepaid are provided with 7-day navigation trial period. There are separate handheld GPS navigation systems also floated by Nokia in the market that can work with your handsets. Cheap Nokia cell phones have always been the talk of the town, not only for the new features like GPS. Durability and style are other high points of these phones no matter what, and as an example the Nokia 6500 classic black rubberized snap on case is irresistible. There is a powerful fan following for Nokia in the US because of the many services it provides. Consider Nokia USA Prepaid Tracker that allows keeping track of your prepaid account balance.

LG unlocked phones with GPS

LG is another very credible part of US cellular market. LG ME770D Shine reviews suggest that this unlocked GSM phone is one stop for all your multimedia needs. LG has just entered the GPS navigation cell phone arena with the recent version of LG Renoir phone. LGKC910 Renoir has built-in GPS having assisted GPS technology. Other popular GPS enabled unlocked cell phones are G phone, Apple iPhone, Blackberry and some models of Samsung.

Utility of GPS enabled unlocked phones

Assisted GPS cell phones - regardless of being locked or unlocked- provide location tracking, turn by turn directions, offer services like maps; some companies offer other information like business news also to the prepaid and postpaid cell phone users. If you want, you can convert the addresses in to GPS map coordinates – a process known as geocoding and can also reverse GPS map coordinates into addresses. One such service is GPS visualizer but it does not work for a reversing process. It is important to note that the user has to pay the software license or fee for using turn-by-turn navigation.

You can read GPS reviews, handheld GPS information on Cnet.com. GPS navigation technology is growing by leaps and bounds and cell phone manufacturers are trying to provide best possible integration of many new technologies into cheap unlocked cell phones at affordable prices. Check out Voice recording on unlocked blackberry storm & others, an informative article on other technological uses of 3G GSM cell phones at Ensquared, an online retail store for buying cheap Nokia cell phones and other unlocked handsets. It is their business to keep their customers informed and well educated on the technology front.