By Luisa Sharpe


There are various types of GPSs, which are used for different purposes. People mostly use these units to track and provide the immediate data of where certain people and vehicles are located. In order to choose your preferred GPS hardware with ease, you would need to know the various options available in the market.

Laptop-based systems come with a packaged receiver, map and software loaded into a hard drive. The map allows the operator to navigate through pattern of the area where the person or vehicle being monitored is. The receiver for this unit is attached with serial ports or USB that connects it to the laptop. The great thing with this unit is that, it allows the operator to use their laptop CPU power, memory and hard disk to manage their navigation work.

Sports and training units are made portable to be worn on the wrist or any other part of the body where the user feels comfortable. These devices come with various components among which are: calorie count monitors, lap or racing timers, virtual partner and heart rate monitors. The recent models are integrated with PC software to enable the user to plan and analyze their workout statistics.

Other popular types are the portable systems that are used to store limited amount of data. Portable units have specific disks and drives that can only store specific amount of data. Most of these disks and drives are SD cards, CD ROMs and fixed memory. These devices come with other different types of parts such as audio books, picture viewers, Bluethtooth incorporation, xm satellite radio services and MP3 playback storage memory.

Basic units are also common that work by reporting the location data inform of longitudes and latitudes. The devices are designed with small memory capacity and processor. Due to their limited storage capacity and basic features, they are mostly used for basic navigation reasons especially for fun and education activities.

The PDA based unit is also available in the market. This device is installed with similar components as those contained in personal computers. Depending on the make, several types use mobile operating systems while others use palm OS software. In order to enjoy the most out of this device, you need to procure yourself an add-on module that will aid your personal data assistant computer in monitoring your chosen areas.

When searching, you will also find the portable In-dash and add-on car hardware. Both of these units are created with various components among which are; car power adapter, suction cup that is used to connect such systems to car screens, external antennas and battery charger. The only problem with the In-dash car systems is that once installed in the car, they cannot be removed.

People use global positioning systems for various reasons and within different settings since different types come with different components. In order to choose the best option that meets your specifications and needs, you would need to know the common types available that you can choose from. Before purchasing any product, it is advisable that you determine its intended purpose as this will enable you choose the best.




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