供应GPS tracker

Overview 
 
WT-8 GPS Wrist Tracker is a stylish device with built-in GPS and GSM modules and high performance antenna. 
System setting is both by SMS and USB socket. LCD screen displays system setting/coordination data/satellite indicator etc. 
 
It can transmit the longitude and latitude coordinate to your cell phone by the short message service, then you can find its location on the free Google maps© or any other map software. Also it can be tracked online at real time by GPRS.
 
Find maximum 6 friend''s position on the screen by the ditection arrow and distance indication. Calculate your exhaused calorie under running or cycling mode.
 
Data Logger function saves up to 27000 points, record all routes and maps into Google Earth.
 
Features
1. GPS SiRF-Star III chipset fast fixing the position even at a weak ** status.
2. Works worldwide! Support 4-frequency GSM 850/900/1800/1900 MHZ.
3. Receive phone calls and SMS and GPRS in three way communications.
4. System setting by SMS or USB or softkepboard, to connect and use PC software interface
5. SOS button send out exact location for immediate rescue/action. Via SMS to 1 to 5 preset numbers.
6. The wrist tracker can report the position under ordered-frequency and work in interval-based saving power mode.
7. Geo-fence alarm, setup geo-fence areas in case of lost!
8. Speed limit alarm
9. Multi-user management on website. (GPRS mode or SMS modem mode)
 
Applications
Fitness, Sports and Trail
Kid/Senior protection
Asset tracking
Out door staff management
Geographic Surveying

YANPENGLU Systems is a global leading firm in Global Position System ( GPS ) technology and an innovator in the design and development of GPS related consumer electronics applications. The company team member are highly skilled in providing GPS solutions and cooperating with its customers. YANPENGLU′ knowledge of the global