Car Tracking System using GSM/GPRS/GPS Network

Car Tracking System using GSM/GPRS/GPS Network System 1

Car Tracking System using GSM/GPRS/GPS Network

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Car Tracking System Application
1.Vehicle Rental/Special Tracking System
2.Finance and Insurance Business Tracking System
3.Car Commanding and Dispatching System
4.Heavy Construction Vehicles Tracking Device
5.Shipping Cargoes Tracking

Car Tracking System Spefications
> Dimension: 87*64*26 (mm)
> Weight: 495g
> Network: GSM/GPRS/GPS
> Band: 900/1800/1900MHz or 850/900/1800/1900MHz
> GPS chip: SiRF III chip
> GSM/GPRS Module: SIM300 or SIM340
> GPS sensitivity: -159dBm
> GPS accuracy: 5m
> Time To First Fix
　Reacquisition: 0.1s
　Cold status: 45s
　Warm status: 35s
　Hot status: 1s
> Work Voltage: DC 9V-30V
> Battery: Chargeable changeable 3.7V / 1.2Ah Li-ion battery
> Standby work current: <30mA
> Storage Temperature: -40°C to +85°C
> Operation Temperature: -20°C to +70°C
> Humidity: 5%-95% non-condensing

Q:Do not return the data through the operator GPRS is simply relying on the GPS locator to transfer data, if there are many GPS locator, how to know that locator is what you want,For example, A has a GPS locator body, A home must have a receiving device. In addition B had a B locator, the home also has a receiving device, receiving device is how to know B A's or B's body. A similar pair, do you understand: It is only in a certain range (such as 10km) using the short distance wireless communication, which does not require the support of GPRS, like a battlefield combat squad is much too far away? Only with high power directional antenna or satellite antenna.

Q:Europe creates GPS locator plus traffic card and no traffic card what is the difference?: The positioner is used by GPS positioning of the machine in place, with traffic card is always allowed to send data to the network users more simple client, such as WeChat, let users without professional software, you can get the location information of the locator

Q:GPS positioning is how to get offline: 3, positioning the phone card arrears, or change the phone card package, Internet access is disabled.Details of the mobile phone operator consulting card (example: Mobile: 10086, China Unicom: 10010), consulting mobile phone card is not arrears, there is no open Internet access, Internet features have not come into effect, the package has not been changed. If it is a mobile phone card, be sure to open GPRS, access point must be cmnet.Mobile communication.

Q:GPS locator what brand is better? What is the most stable platform?: 1, to say the GPS locator what brand is better, this is too difficult, now on the market GPS brand to innumerable locator, what brand is good, or after their actual use to know.2, while the GPS locator to normal use, or to rely on a powerful query platform, this platform must be stable, and now on the market a lot of small brand platform or third party software to build a platform, or just build, this is not their own R & D team, is to hang a business, so everyone in the choice must see clearly3, take the use of my own, I used an car locator rice technology, quality can also, mainly is the auto search platform, online platform, more practical, most of the function of our appetites, some people to look at the proposal

Q:Car GPS locator is not a battery: Travel GPS solution:Car locator with battery GPS is divided into two kinds: one is the connection type, is to wiring to the car with a car battery, and GPS equipment itself with the battery, if the car battery power, the GPS device itself can also adhere to the localization of 3-5 days.

Q:Who knows the GPS tracker or locator that can be used in no man's land? Thanks: No man can use GPS, but to returnChasing the answerTo pass through the communication network, there is no base stationNo base station information can only be stored in the device, the network will not return

Q:What is a GPS positioning system?: Positioning principle of GPS systemThe GPS system uses the high orbit ranging system, taking the distance between the observation station and the GPS satellite as the basic measurement. In order to get the distance measurements, mainly use two methods: one is the measurement of the GPS satellite signal arrival time spread ranging code user receiver, i.e.pseudorange measurement; one is the phase between the reference carrier signal carrier Doppler frequency shift GPS satellite carrier signal and receiver with differential measurement, namely carrier phase measurement. The pseudo range measurement is the fastest, while the carrier phase measurement is the highest. The three-dimensional position of the receiver can be calculated by measuring the distance of 4 or more than 4 satellites.#

Q:GPS locator can hear the sound?: Yes, voice and other functions, to see what you choose, the cost should not be the same

Q:Method of use of GPS: There are a lot of applications in life, like our usual car navigation, traffic recorder...... Are built-in GPS module for positioning navigation. GPS is positioning and navigation, as long as you need to locate the device and navigation functions can be built or external GPS module. Shenzhen Tiangong GPS module

Q:What is the GPS locator wireless network: GPS positioning system is the use of satellite positioning. Data is the use of mobile phone SIM data traffic report.

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