Mini 850 GPS Spy Tracker



Mini GPS Tracker for covert tracking of any asset.  This tiny tracker can be pretty much hidden anywhere.

FREE UK Delivery & 1 Year Warranty.  Please scroll down for the full product description.

Mini 850 GPS Spy Tracker Information

The Mini 850 GPS Spy Tracker is very small, flexible and ideal for covert surveillance of an asset or VIP.  It holds an 850mA rechargeable battery so is ideal for short term, covert tracking applications.

From our online main tracking panel (or from one of our free apple or android apps) you can track live and have your Mini 850 tracker reporting a new position as often as every few seconds whilst on the move if you want, or have it reporting just once an hour - the system is completely configurable at the click of a mouse button or the touch of your mobile phone or tablet screen.

(If you have any questions or if there's anything at all you're not sure about with regards to our GPS Trackers then feel free to click on our live chat and ask us right now!  They are the best trackers and best tracking system we've ever used.  We've been selling tracking devices for many, many years and we've tried and tested many different models.)

You can put up to 3 mobile numbers or email addresses in the contact list and set a motion alert or use the push notifications in the app, so if your tracker moves each of these numbers/email addresses or your phone that has the app installed will receive a message within seconds - great if you set your tracker on something that should not be moving or if you need to know when it's on the move.

There is also the option to draw zones on the map and have the system send an alert message whenever the tracker enters or leaves one of these zones - perfect if your target vehicle, asset or subject should not leaving or entering a particular location.

How long will the tracker last before needing a recharge?

The Mini 850 GPS Tracker has a 850mA built in rechargeable battery so is usually used for shorter term tracking jobs, depending upon the tracking mode you use and how often it's moving & reporting in, you're probably likely to get up to 7 days running time.  This can be increased by using different tracking modes such as Park Mode (explained later on this page).

Is the Mini 850 GPS Spy Tracker weatherproof and magnetic?

No it does not have any built in magnets, you'll see it's very small and flexible too which make it great for deploying in places that a larger tracker would not be appropriate for.  It's a sealed unit except for the mini USB style charging port, so it's best kept out of direct exposure to the elements.

Is the Mini 850 GPS Tracker a big unit?

No, it's tiny.  Measuring approximately 58mm x 64mm x 10mm!

How do I recharge the trackers' battery?

Your GPS tracking device comes with a charging cable that will allow you to charge via any USB port.

How do I pay for using the tracking service moving forwards?

There is nothing more to pay!  No monthly fees or top up payments! No direct debits!

Our unlimited tracking packages mean that you do not have to worry about topping up or paying anything extra for the entire length of the subscription you choose.  Along with completely unlimited tracking you also receive 25 SMS command credits every month (added to your tracking account automatically on the 1st of each month) and if you run out in the meantime you can buy more here.

At the end of the subscription you can choose to renew or not, no pressure either way, it's your choice.

What are the SMS credits (command credits) for?

SMS credits are only used for when you send a new message to your tracker from the tracking website or app, for instance you may want to change the reporting interval from every 30 seconds to every 10 minutes.  An SMS credit is also used if you have set the GPS tracker to send a message to your contacts if, for example, it leaves or enters a certain area or zone that you have set up.

Can I use my GPS tracker overseas and will this cost me extra?

Our GPS trackers will work in pretty much every country in the world at no extra cost to you but please note that the Mini 850 uses only the 2G network, so will not operate in countries that no longer use 2G.

Tracking Apps:

We have free apps for apple & android devices, just search "trackserver" in the app store or play store to download free of charge.  These excellent apps mean that you can control and monitor your tracker from pretty much any mobile device whilst you are on the move.

Please note, the apps are slightly scaled down versions of the main tracking panel and so do not offer all of the features.

For instructions and more information on the Trackserver app please click here.

Tracking Modes:

There are various tracking modes available which you can select between at the click fo your mouse button when on the tracking panel, some help to save battery life and others make it more difficult to be detected if it's in a situation where this may be important.  Here is an explanation of each mode:

Normal Tracking Mode - this is the default mode and used by 95% of customers, 95% of the time.  You can set how often it updates with a new position when on the move and it will drop into sleep mode when not moving.

Eco Mode - This mode will switch off the PCB completely for a selected period of time, for example ECO 4 hours, the board will wake every 4 hours and report a GPS or a GSM location, it will only report a GSM location if the PCB is not able to obtain a quality GPS fix. The board will then turn off and report again in a further 4 hours. Switching the device back to normal tracking mode can be done via the PC or APP, the PCB will only act on this action, when it’s time for the board to wake on the 4-hour update. Eco hugely improves battery life. The battery can last for months using this mode.

Flight Mode - Using this mode will switch the GPS tracker completely off for a scheduled time period, example Flight 12 hours, the unit will confirm to the server before switching off and display a timer clock that displays on the platform when the device will switch back on. When the 12-hour period has lapsed, the PCB will return to normal tracking mode.During the 12 hours off period, it is not possible to communicate with the PCB. This function improves safety when travelling on aircraft and increases battery life. You may choose to carry out this action on a daily basis from hour to hour, the choice is yours.

Log Mode - The device can be remotely turned off via the APP and Panel for a pre-determined time period, example Log mode 5 hours. The PCB will now turn off, but log and store all location points and update them to the server in the same format as if it was tracking live at the end of the time period. This mode will include data for stops and starts, and will not log when not in motion, the interval of logging when in motion can be set via the apps.  The on-board memory is around 1Gb and the device will be able to store 50,000+ locations whilst in this mode. Once the timer has expired for how long it is in log mode, it will power up fully, upload all data it has collected and then resume to normal tracking mode. The advantages are huge for those using this mode. Increases battery life, extremely difficult to detect a PCB that is not emitting any RF.

Park Mode - Once this mode command has been remotely sent to the device, the PCB will switch off. When the board moves it will switch back on and track every x seconds. The board will automatically switch off after 120 seconds of non-motion, this is a default setting that can be changed. This mode again increases battery life. The normal tracking mode will only be accepted by the PCB when it’s in a motion state.


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GSM GSM/GPRS/EDGE: 850/900/1800/1900 MHZ
GSM Module: MTK 2503 Quad Band 2G

GNSS Specifications
GNSS Chipset MT3333

Sensitivity Autonomous: -147 dBm
Hot start: -156 dBm Reacquisition: -160 dBm
Tracking: -162 dBm
Position Autonomous: < 2.5m SBAS: < 2.0m Accuracy (CEP) SBAS: < 2.0m TTFF (Open Sky)
Cold start: 29s average
Warm start: 27s average
Hot start: 1s average

Accelerometer: 3 Axis- Kionix KXTJ2-1057
Battery: 850 mAh Rechargeable Lithium Polymer
Enclosure: Rubber
Size: 58 x 64 x 10mm
Charging Port: Type C

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