
Portable GPS Car DVD Player
This type of GPS navigation device is not permanently integrated into the vehicle, having only a simple bracket to mount the device on the surface of the dashboard and powered via the car cigarette lighter. This class of GPS unit does not require professional installation and can typically be used as handheld device, too.
Benefits of this type of GPS unit include low cost as well as the ability to move them easily to other vehicles. Their portability means they are easily stolen if left inside the vehicle. Furthermore, not having a compass, accelerometer or inputs from the vehicle's speed sensors, means that they cannot navigate as accurately by dead reckoning as some built-in devices when there's no GPS signal. More modern portable devices such as the TomTom 920, have an inbuilt accelerometer to try to address this.
A portable automotive navigation system kit generally includes:
| Find, Shop and Buy Direct From China Online Electronics Shopping Store 24 Hours a Day, 7 Days a Week, 365 Days a Year. Wholesale Dropshipping - Discount Electronics - Copyright © 2006 - 2011 ESalesChina ™ | Terms of Use | Privacy Notice | Contact Us |