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