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For questions about IoT devices or services using the Global Positioning System (GPS). Only include this tag if the GPS functionality is essential to your question not just if the device in question has the GPS capability in general. For other navigation satellite systems, use a more specific tag (e....

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SIM800C - CME ERROR: 15 SIM wrong & CME ERROR: 10 SIM not inserted [on hold]

I am making a GSM Tracker with SIM800C module. After deploying it into vehicles, it works fine... But after some days, it starts responding as CME ERROR: 15 SIM wrong for command AT+CPIN? & CME ...
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2answers
87 views

Is there an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm?

I'm looking for an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm. The end product is a wearable device therefore the device should be small. It should be ...
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2answers
85 views

GPS ground communications expensive (financially and power requirement)?

I hadn't realised that the Argos satellite network existed and animal trackers communicated with it. Tracking technology. Does anyone know how much it costs and what level of power is required to ...
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3answers
139 views

Calculate velocity and direction on microcontroller or on remote server?

Assume that I have a device attached on a car which includes an MCU, and a SIM908 module. The SIM908's function is to receive GPS data from satellites and then send them to the remote server through ...
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1answer
77 views

Smallest version of a GPS Receiver searched [closed]

I don't know if this is the right place to ask, but I think it is. Short background: I keep losing things temporary. That means I forget my purse at the office (or was it at home?), leave my keys at ...
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2answers
109 views

GPS Transmitter that works without Mobile Networks

I need a device which can remotely tell me its location, either in realtime or with some delay. So, I naturally googled for GPS transmitters. The top product has much too large a thickness (I need it ...
4
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2answers
116 views

How do I stop the Fitbit Surge from storing GPS data?

I was reading about the privacy of Fitbit devices, and this Huffington Post article has a rather concerning point with regard to GPS-enabled fitness trackers: In certain cases, the government or ...
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1answer
267 views

Robust GPS + Internet - Best option?

Please consider the following: I am looking to build a device that will be placed in a vehicle as it drives through heavy wooded areas, potentially far away from any mobile reception towers. The ...
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1answer
2k views

Is there any way to track GPS device without WiFi, Bluetooth, internet? [closed]

I am trying to develop a security gadget which can be wearable. But can be operated remotely from any location in the world using its GPS ID. Don't want to use WiFi, Bluetooth, the internet or any ...
6
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2answers
678 views

TrackR keep ringing on its own

Back in 2014 I purchased a couple of coin sized TrackR devices to tag my belongings so I can easily find them. I've used an iPhone to connect to them. However my main problem using these devices was ...
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2answers
113 views

How reliable is location tracking of shipments? [closed]

I was reading about the tracking of parcels and other shipments, being a primary example of IoT applications. But I'm wondering about how reliable and precise the positioning would be. I have the ...