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Not all GPS units require an antenna, but they can be very useful when a stronger signal is required than the GPS unit on its own can provide. Antennas will work at their best when you are in remote locations and when the sky is not visible from your vehicle or place on the ground. http://www.maps-gps-info.com/gp-ant.html
What else can I help you with?
Where can I purchase gps antennas?
GPS antennas can be purchased where ever the GPS receivers are sold. Big box stores such as Walmart and Bestbuy typically stock a wide variety of antennas for the different brands they sell.
Do you have to pay a monthly fee to use all GPS units?
Most GPS units won't charge you a monthly fee.
How are hand held GPS units better than normal GPS units?
Most GPS units differ based on the addition features they have such as the ability to play mp3's or access the web. At the most basic level, a hand held GPS is no better or worse than other models for providing your location.
Can you tell me which brand and style of GPS units have voice recognition and text-to-speech capability?
Most brands and styles of GPS units come with these features.
How accurate is gps when monitoring a prisoner?
Most GPS units are accurate to within a few metres ( 10-20 ).
Does TomTom sell mapping software for its GPS units?
Yes TomTom does sell mapping software for their GPS units. Most of the new GPS systems come with a cable that you will link to your computer to update the maps and features of your TomTom.
What is the least expensive GPS unit?
The cheapest GPS units include some of the Tom Tom units with less features. Top recognized brands on the market include the Tom Tom GPS and the Garmin GPS units.
Are Magellan GPS units made in the USA?
Magellan GPS units are indeed made by the USA. They are, in fact, GPS systems made by the US government in the USA so Magellans are 100 percent USA GPS units.
Is there a newer version of the garmin gps software for older garmin gps units?
The oldest GPS units don't have the capability to make use of the latest Garmin software.Some of it's designed to work on laptops with gps units.
What is mean by ...The GPS 76 has external antenna connection capability?
That means that the user can connect an external antenna via a cable to the GPS unit so that the unit can be used inside a boat or car while the antenna is positioned outside with a clear view of the satellites. The antennas also have built-in amplification so the signal sent to the GPS unit is stronger than that received by the GPS units buit-in antenna.
Does a gps know the weather?
A GPS can provide information about the weather if it is connected to a service that offers weather updates. Some GPS units have this capability built-in, while others require a separate data connection to access real-time weather information.
Is the GPS locator on a cell phone always on?
The short answer is no. A cell phone usually uses the carrier's antennas to triangulate the signal and provide the current position of the user; so when there are less antennas to triangulate, the poorer will be the quality of the signal. When there are no antennas, the cell phone won't be able to work as a GPS. However, if the phone does have a specific GPS chip inside, it will use satellites to give the position. Provided that there is not too much interference, it will work as long as the phone is powered.
