| A GPS (Global Positioning System) or a SatNav, is | | | | for those kinds. |
| run with the help of the satellites that revolve | | | | The interface is another thing to be noted as it is |
| around the earth, to give a better idea of the | | | | a very important aspect in GPS. This is because |
| location currently in, with the help of mathematical | | | | drivers and riders have to look at the GPS amidst |
| calculations. | | | | driving or riding and so interface is important. The |
| There are few features needed to be checked, | | | | display should be simple and easy to understand, |
| while shopping for a GPS. The main work of a | | | | even at a glance. Symbol based data should be |
| SatNav is to give the accurate details and data. | | | | available, along with other useful data like distance |
| The GPS must give accurate details of a radius of | | | | for the next turn, the next road name, current |
| atleast 10m. The data provided has to be | | | | road name etc should be highlighted in an easier |
| accurate and reliable. Reliability is something that | | | | and effective way. The audio also must be loud |
| should not be assumed; else the whole purpose of | | | | enough to be heard and understood whilst driving |
| the GPS is spoilt. The GPS must work even in | | | | or riding, with the usage of UK terminology etc. |
| places where tall buildings and overhung trees are | | | | The last but the important factor is the battery |
| available. It is better to buy a unit with an exterior | | | | back up. Some have a very short lived battery |
| antenna that has a better reception of signals, | | | | back up, which could be useful for short trips. But |
| than the units with internal antenna. | | | | for a long trip, it is important to have a GPS with |
| The speed is also an important aspect, especially | | | | a higher battery back up, so that the GPS stands |
| if you are driving or riding and need a faster | | | | as a friend and companion, in times of need. Also, |
| response. The GPS should have upgrading facilities | | | | if the GPS gives info on the traffic status, Blue |
| and also the maps should be able to be updated. | | | | tooth connections to the mobile phone, which |
| This is a very important requirement, as | | | | could prove expensive, Point of Interests that |
| otherwise it will be difficult to update the maps | | | | could be very useful if travelling to a new place. |
| and have the latest data in the GPS. Again, it is | | | | Also additions like MP3 players are also available. |
| better to buy GPS that have maps of places that | | | | In short, a GPS is definitely a useful product, if |
| you are likely to be visiting quite often. Also as a | | | | known how to use effectively and also if the |
| post-sales service, maps of different places should | | | | above things are taken into considerations. It is |
| be available when needed. Some GPS has many | | | | definitely a friend and a companion in times of |
| controls that give more options. It is better to go | | | | need and help. |