First,(my recommendation) internal antennas are great if you are going to be around places in which it is cloudy or high altitudes as the internal works great in almost any geographical location. Second, the external antennas take up less energy than internal however it frequently has interrupted signal in area in which the internal antenna still works, but the final decision is yours.
While all GPS systems come with an internal antenna with which it uses to contact the satellites in orbit, there are accessories available. If you buy a antenna attachment, it can improve your signal quality.
Lowrance GPS antenna is the most desired brand of GPS antenna. They are reliable, and excellent when compared to other brands, and cost the same as the lower quality brands.
There are many advantages of having GPS in your car. The main one is that time can be saved on route planning and one is far less likely to get lost when on route.
Audio GPS has a lot of advantages over non-audio GPS. One of the main advantages would be that rather than having to refer to a screen that could distract the user while driving a car, a vocal instruction will announce the step to take along with direction, distance and even landmarks to look for.
It depends on what brand of gps you own, and the model fo the gps system which you have to purchase the receiver antenna for; each model will have different costs.
A Tomtom antenna is an external unit to be used with Tomtom GPS navigational units to give a wider range for your GPS needs.
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.
You need both a radar antenna and a GPS radar if this is marine then the radar antenna will perhaps include a Receiver and Transmitter as well and the GPS maybe a mushroom shape
Should be located on the roof in the rear. A black mounted antenna, it can be replaced seperatly.
there is none
You would be able to purchase tomtom GPS antennas at radio shack, best buy, target and other electronic stores. You may also be able to find a tomtom GPS antenna at www.amazon.com/tomtom
GPS camera is great for remembering your photo history. You could travel across the country and on your road trip be able to have tagged on your photos the date, time and location.