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Personal remote GPS Tracker

There are a number of mobile location products currently on the market. Apart from phone tracking you can also buy by GPS mobile location units. The GlobalSat TR-101 is a personal remote positioning device with built-in GPS and GSM modules. It is compact and portable. Useful for protecting and searching for children and people or as a security device to track anything that needs remote monitoring. Just £179.99 plus Vat and inc delivery. See below for features.

Key features

GPS personal locator
GSM/SMS communication
Omni-directional high sensitivity GPS antenna which can receive GPS signal from all direction
New technology and latest SiRF Star III chipset! Excellent for fixing the position even at a weak signal status
Remote command control via mobile phones and/or through online software
Receive phone calls to have two way communications
It can filter up to 10 incoming phone numbers. Only these 10 numbers can call in to check its position
3 quick dialing buttons for preset phone numbers
Works worldwide! Support 4-frequency GSM 850/900/1800/1900 MHz
SOS button send out exact location for immediate rescue/action
SOS (emergency) button which will send GPS location information via SMS for up to 3 preset numbers
Device can be connecting to PC by using the included USB cable
Low battery notification before the battery dies out!

You could easily use free Google Earth mapping software or Google maps to check the location of TR-101 (instructions included in TR-101's user manual).


GSM module: embedded GSM 850/900/1800/1900 MHz
Chipset: SiRF Star III
Frequency: L1, 1575.42 MHz
C/A code: 1.023 MHz chip rate.
Channels: 20 channel all-in-view tracking
Antenna Type: Omni-directional GPS antenna
Position: 10 meters, 2D RMS
Velocity: 0.1 m/s
Time: 1 us synchronized to GPS time
Default datum: WGS-84
Reacquisition: 0.1 sec., average
Hot start: 1 sec., average
Warm start: 38 sec., average
Cold start: 42 sec., average
Altitude: 18,000 meters (60,000 feet) max.
Velocity: 515 meters/second (1000 knots) max.
Acceleration: Less than 4g
Jerk: 20 m/sec3
Operating temperature: -20 ° to 55 ° C
Humidity: 5% to 95% Non-condensing
Dimension: 115 mm × 45 mm × 22.5 mm
Voltage: Rechargeable and replaceable 1300 mAh battery (3.7V), 5V for charging input.
Charging connector: DC 5V
Standby time: Up to 100 hours
LED: 3 LEDs showing Power , GPS and GSM status.
Key: 7 Keys for Power On/Off key, Emergency key, Intimate call * 3, Lock key and Answer/Reject key.
USB port: Mini USB port for connecting to PC.

What is GPS? How does it work?

GPS (global positioning system] is a worldwide radio-navigation system formed from the grouping of 24 satellites and their ground stations. It is a system mainly used to locate the user's position at a time. Although GPS was originally intended for military applications, but now it is mainly used in marine, location-based services and terrestrial navigation. GPS can work for 24 hours in any type of weather condition, irrespective of sun and rain. The GPS satellite circles the earth twice a day in a precise orbit and transmits signal information to earth. GPS receivers take into this information and use 'triangulation method' to calculate the user's exact location. The meaning of 'triangulation' is receiving radio signals from a distance. Along with knowing the distance, you also need to know exactly the position of the satellites in space. This is done with the help of high orbits and carefully monitoring the instruments for locating the satellites. Finally you also need to correct any type of delays that the signal can experience as it has to travel for a long distance through the atmosphere.

GPS Applications

GPS is important as it helps you to figure out where you are and where you are going when you are travelling from one place to another. Navigation and positioning are important but cumbersome activities, which GPS makes it easier. Once located via GPS, it starts tracing other factors like speed, bearing, tracks, trip distance, sunrise/sunset time, distance to destination and several other details. GPS uses 'man-made' stars as reference points to calculate positions accurate to a matter of meters. So it is with the aid of GPS that you can give a unique and specified address to every square meter on the planet. So these days GPS finds its way into cars, planes, boats, construction equipment, farm machinery and laptop computers. Business users should also visit our commercial gsm tracking website for other mobile phone tracking options. GPS systems can be installed in mobile phones as well as satellite phones. Sportsmen and women can use GPS devices to calculate how far they have run or paddled and their current speed and average speed. Increasingly companies are fitting them in their vehicles. Trucks may be carrying hundreds of pounds worth of goods, so it's worth installing a GPS system so you know where it is. A similar system is sold as a theft deterrent to private drivers. Other companies are fitting a system that interfaces with the engine management computer on vehicles in their company fleet. As a driver goes out of a predefined area, the engine power drops and continues to drop the further outside the designated area the vehicle is. The system soon pays for itself in reduced levels of unauthorized mileages.



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