van tracker webfleet solutions,realtime gps tracker online,plug & play Obd gps tracker_Shenzhen Cantrack Technology Co., Ltd._第141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 functions

        1. Real time monitoring function: The monitoring center can set the monitoring interval (the maximum time is 1 second to monitor vehicles once) to track any vehicle according to its own vehicle mo...

    2022-11-09
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    GPS signal in the air

        When creating GPS waveform, its unique and increasingly common way is to directly extract it from the air. In this test, we use a vector signal analyzer (such as NI PXI 5661) to record signals, an...

    2022-11-08
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    GPS navigation signal

        For C/A code, the navigation signal is composed of 25 frames of data, and each frame contains 1500 bits [2]. In addition, each frame can be divided into five groups of 300 bit sub frames. When the...

    2022-11-08
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    GPS measurement system

        The main product for testing GPS receivers is a set of RF vector signal generators that can simulate GPS signals. In this application description, the reader will know how to use NI PXI-5671 and N...

    2022-11-08
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    GPS setting RF front end

        Because the LNA in series can provide a 60 dB gain, users can greatly increase the power of the front end of the vector signal analyzer. In our measurement operation, a gain of 60 dB is sufficient...

    2022-11-08
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    Signal from GPS receiver

        Since many receivers can use appropriate software to enable users to present information such as longitude and latitude, it is necessary to conduct automatic measurement in a more standardized way...

    2022-11-08
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    Five requirements that a good GPS module must meet

        1. Good reception sensitivity  Receiving sensitivity is the minimum signal receiving power that the receiver can correctly take out useful signals. The good reception sensitivity of GPS navigation...

    2022-11-07
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    Composition and characteristics of GPS system

        Due to the GPS_ The GPRS positioning system involves the application of GPS satellite positioning technology and GPRS general packet radio service. Therefore, in the composition of the system, GPS...

    2022-11-07
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    Introduction to GPS Navigation System

        The Global Positioning System (GPS) is a space based radio navigation system originally developed by the US Air Force. Although GPS was originally developed for use as a military positioning syste...

    2022-11-07
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