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  • Good value for money, but some bugs

    posted by stemoe on 05/07/2011
    1

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:

    Very good GPS reception, also inside metal boxes.

    Two external input sensors. (Ignition and SOS)

    Ignition gives alarm on both kinds of changes (with timie stamp); on and off.

    Alarm if external voltage is lost. (Kind of third external input, and the fourth type of alarm regarding change in external inputs)

    Easy reading on LEDs if GPS reception is Ok, and if the SIM card works properly.

    Ring fence gives alarm in both directions (in and out of ring).

    Low amounts of data transferred, even if it is using NMEA-like strings in GPRS mode

    Very useful response on request of location giving a link to Google Maps. (669 and 668)

    Useful output line enables you to send an SMS to give influence on the vehicle. (To stop engine, blow the horn etc)

    Cons:

    Many bugs related with the buffering of data. Some times the data gets delayed, and it takes time to catch back. (Happens for instance if the device moves out and in of mobile coverage.)

    If the SOS button is pressed during the above mentioned delay, the delayed track history is given in place of the SOS position.

    No ability to require a minimum distance before interval data is sent.

    A vibration sensor may turn off GPS, but not GSM. Therefore it is impossible to make the battery last for more than around 30 hours.

    Not waterproof.

    Difficult to connect the battery cable properly.

    The english user manual is a disaster regarding translation. It also contains errors.

    Not possible to combine SMS mode and GPRS mode

    Security is low. Keep the phone number a secret. There is a pin code, but you can ask the device for the current code (!).

    The Pin code of your sim card must be turned off.

    OtherThoughts:

    Even with some bugs and designwise problems, it is an ok device for the price, and when knowing the problems it gives the needed information.

    In Norway, I have tested all the three networks; Telenor, Netcom, and Network Norway.

    SMS mode is pretty simple.

    For GPRS mode, I am using the following setup for all the four devices I have bought:

    *<YourPocketCellNumber>*0000*1** (Sets target for alarm messages)

    1500000 (Turns off Calling to target number)

    0110000 (Enables the DEF message if external power is lost)

    #803#0000#<YourAPN>## (Sets the APN)

    #804#0000#62.16.1.1#3000## (Sets the server address and port)

    #805#0000#10#6## (Sets interval when ign is on, 10 sec, transfer every minute)

    #809#0000#900#4## (Sets interval when ign is off, 15 min, transfer once every hour)

    7100000 (sets GPRS mode)

    You should also change the pin from 0000 to something else.

    Bottomline:

    To set it up, I recommend using a subscription with unlimited SMS. After it is set up, you should use a prepaid subscription for permanent use.

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