Handheld GPS navigation is what? Where to buy handheld GPS navigation, how to select GPS navigation?

Answer:

Handheld GPS is mainly for GIS data acquisition, a lot of advanced GPS with PDA function, you can load navigation software for vehicle navigationBut the handheld GPS is mainly to do some engineering design, the main area can be measured, the location, and the boundary survey. GPS can do advanced vehicle navigation can also waypoint navigation, is a coordinate input to precise navigation to this position.Handheld GPS navigation is divided into 2 kinds, one is portable GPS navigation, one is used for surveying and mapping professional GPS handheld

Select the main consideration of the following issues on the line:1, GPS receiving capacity, in the interior, the streets can be measured on a few stars, while looking at the speed of the search star? If a place for 2 - 3 minutes accurate positioning can be used2, the map is the latest, often used to check those routes3, battery life is how long to ask4, accessories, such as support, car charge, the size of the memory card should be clearly presentedThe location of the purchase is usually in the car decoration department or the electronic mall or digital products store salesAffordable mall can look at the old brand, operating for many years, where I bought the electronic dog

Handheld GPS navigator, also known as portable navigator, but also divided into 2 kinds, one is the ordinary PND navigator, you can go to Zhongguancun, the major appliance stores to buy, and the other is the mobile navigation, GPS smart phone is installed in the GPS navigation software can be,The navigator is composed of 2 parts: hardware and navigation software. The navigator on the market is about RMB 600. The brand of Kelid navigation software is usedGPS is a portable handheld navigation navigation products, the market is now very much, most car navigation can be used, the Gps signal is still free to receive satellite signals in the United States, you only need to charge it, map to the sellers in general can be upgraded.