GPS tracker in car?

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Good day! Please advise a GPS trackerthat could be put on the car and get it back to at least the coordinates every few seconds.
I understand that I need to write a socket server. It's not a problem ...
at the moment I do not quite understand how to get data from this tracker and record them in the database?

I myself am a frontend developer, I just want to visualize these data.
I don't need a tracker which has already its app for ios/android, I want to own this app to write. Need to just my data.
I would be grateful for any advice on this matter.
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2 Answers

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Buy a simple tracker with a text Protocol, such as Sinotrack ST-901 or - GT06 (the links are not for sale, just a description), set the SMS commands to your server, take data (Yes, the socket server), stored in a database and all of that.
These models are in any case not a direct recommendation, just for some reason they are popular right now.

About "every few seconds" - this is a more advanced models.
Here is a list of over 600 models of GPS trackers and each has the possibility of migration to your server.
Simple models typically transmit data once in 10-30 seconds.

If you order is not in Russia, it is still recommend to read: https://habr.com/post/413449. Just in case, suddenly do not know.
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solve a similar task trackers + visualization.
Trackers a zoo is it - the most simple Chinese, sending the data in plain text. A good (proven in use) models I can recommend two: TLT-2H, GTR-128.
Every two seconds data is not send none of the known trackers. Two seconds is excessive for all (except exotic) problems.

To accept the coordinates were first used nodejs, then moved on to hand servercheck written in Python.

With the visualization until you are tight. The specimen is virtually perfect (for my taste of course) interface you can peek at the service gpshome, but have not yet mastered to reproduce it...
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