Maybe you not familiar with Sat-Navi GPS Navigation System.Navigation map’s function include schedual,address routing,help and close menu for choosing.Here we will introduce more details about upgrade Hummer H3 Sat-Navi GPS Navigation System 2006 2007 2008 2009.If your car is Hummer H3,and the year is from 2006 to 2009,then this 2 din device in car we introduce will give you more information.

Please look at this picture: Upgrade Hummer H3 Sat-Navi GPS Navigation System 2006 2007 2008 2009. It is an after market Hummer H3 GPS Navigation System:

From this Hummer H3 GPS Navigation System,you can directly easily find your destination or where you are.So when you look for the place,you can write down the place or input the words according to the 26 letters on the screen.You also can set the time 24 hours or 12 hours.This active GPS map can know the road that your car has driven.Besides you also can use the local service.It will show the car speed.If your speed are faster than the standard,the gps navigation system will remind you about this.

This is a video introducing the upgrade of Hummer H3 Sat-Navi GPS Navigation System from year 2006 to year 2009:

At the same time,this Gps navigation system can combine with the radio,firstly the navigation and also play radio.So you are not only using Sat-Navi,but also can play radio.It also supply some useful other functions to you.You can view pictures by using the photo browsing function.By using the 4GB SD card,this navigation system also support mp3 and mp4 playing.When you are busy,it is very easy for you to answer the phone by bluetooth hands free.Speciallly,you can read the calling record and contact from it.

At last,maybe you want to know more parameters about this  Hummer H3 Sat-Navi GPS Navigation System: http://www.seicane.com/car-dvd-player-for-hummer-h3-with-gps-radio-tv-bluetooth-srd-8724 The Chipset of Sat-Navi is SIRF STAR 3,Sumsung 400Mhz,and the Frequency is 1.575GHz,really very fast. This unit has 20 channels.The biggest fixed height is 18000m and the biggest velocity is 515m/s.Don’t be hesitate to ipgrade Hummer H3 Sat-Navi GPS Navigation System 2006 2007 2008 2009.It will give you more convinience and entertainment.