van tracker webfleet solutions,realtime gps tracker online,plug & play Obd gps tracker_Shenzhen Cantrack Technology Co., Ltd._第132页

Professional high-quality GPS tracker manufacturer from China. Cantrack delivers 16-year expertise in Fleet&Assets tracking. Real-time monitoring & anti-theft for vehicles, global assets.

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    2022-09-06

    Cantrack 4G ID Card GPS Tracker P901

    P901 is the thinnest smart walkie-talkie with real time GPS tracking function.It can be used in any place with GSM signal regardless distance limitation.We've already tested one key push-to-talk N...

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    GPS system composition

        The GPS global positioning system is built in the United States. It is mainly divided into three parts: ground control stations, satellites flying in the sky, and receivers in our hands.  First, l...

    2022-12-05
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    About GPS receiver

        GPS is now generally 12 channels, which can receive 12 satellites at the same time. Early models, such as GARMIN 45C, were 8-channel. The GPS receiver can output 2D (that is, 2D) data when it rece...

    2022-12-05
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    GPS signal.

        The error of C/A code is 29.3m to 2.93m. The general receiver uses C/A code to calculate the location. For its own safety, the United States added SA (Selective Availability) to the signal in the ...

    2022-12-05
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    Connect the world with handheld GPS

        The hand-held GPS is not only a compass, but also a speedometer, odometer, altimeter and timer. It is small in size and cheap in price. Two No. 5 batteries can work for a long time. The hand-held ...

    2022-12-02
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    Smartphone GPS, everywhere

        Smartphone GPS is a three in one product of mobile phone, GPS and PDA handheld computer. It can update real-time data through the operator's network. As long as the GPS ephemeris file is updat...

    2022-12-02
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    Analysis of GPS antenna principle

        In the design of GPS antenna unit, high-frequency and low-noise amplifiers are used to reduce the thermal noise of GPS antenna and the influence of the previous unit circuits on the receiver perfo...

    2022-12-02
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    What is GPS

        GPS global positioning system is a wireless navigation system that uses navigation satellites to achieve positioning. It can realize omnipotent (ocean, land, aviation, aerospace), global, all-weat...

    2022-12-02
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    GPS knowledge base: what is RTK technology

        Conventional GPS measurement methods, such as static, fast static and dynamic measurement, need to be solved afterwards to obtain centimeter level accuracy. RTK is a measurement method that can ob...

    2022-12-02
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    How to realize the function of GPS monitoring system?

        In order to realize the function of GPS monitoring system, there must be three elements: GPS positioning terminal, wireless communication transmission and monitoring system platform, which are ind...

    2022-12-02
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