Product Name: GPS tracking system
GTK4 is a personal remote position device with build-in GPS and GSM/GPRS modules. It is a compact size, high accuracy remote location tracking device. Based on GPS satellite, it provides accurate position information under dynamic conditions. Personal remote position device transmit the longitude and latitude coordinate to authorized cell phone.

You can use these features for protecting and searching children and old persons. Further, you can use it as a security purpose and other purpose which needs remote positioning such as asset protection and animal tracking.

2 Feature:
Build-in GPS personal locator.

GSM /SMS communication or GPRS TCP/UDP connection.

Works worldwide! Support 3-frequency GSM 900/1800/1900 MHZ, And 4-frequency GSM 850/900/1800/1900 MHZ. (Optional)

High sensitivity, new technology and latest GPS SiRF-Star III chipset!

Excellent for fixing the position even at a weak signal status.

Compact size, and smaller than one name card. Easy to hide

Very Low power consumption

Fast Signal Acquisition

Support single location and continuous tracking

Support location triggered by tracker

Support location triggered by authorized cell phone

Support alarm and remote monitor

Support quick dialing buttons for 3 preset phone numbers

Support voice monitoring function

Support Bi-Direction conversation without ear microphone

Support removable internal battery

Support check location by SMS and GPRS

Support automaticly saving power

Monitors can track the person without interfering him,

LIVE! Real-Time tracking!

Locate the locator holder by the mobile phone via SMS (SMS system).

SOS button send out exact location for immediate rescue/action.

Geo-fencing to restrict movement to a defined radius.

No monthly service charges to be paid to the call center