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AOVX VM300 is a 4G vehicle and trailer GPS tracker with ACC ignition, relay control, and multiple GPIOs. The device features global Cat. M1/NB-IoT connectivity, BLE 5.0, optional 90 mAh Li-Pol battery, and more.

SMS commands:
  • IP/DNS

    Reply: IP:<index>,<ip>,<port> OK



    0: main server;

    1: backup server;

    2: manage server.


    The port is configured as 0 to cancel this server.  It takes effect immediately after configuration.

  • APN settings

    Reply: APN:<apn>,<name>,<password> OK


    Clear the corresponding fields: leave APN/ name/password blank.

    For example, clear the username and password:

    APN = < APN>,,

  • Time Zone

    Reply: TIMEZONE:<zone> OK

    Configure time zone, the value range of zone [-11,12]

  • Uploading time interval

    Reply: TIMEGAP:<index>,<time> OK



    0: location in run mode;

    1: location in sleep mode;

    2: heartbeat in sleepmode;

    3: manage heartbeat in all mode.


    Time: unit is second.

    The manage heartbeat will be report with the protocol data if you set manage heartbeat time to 0.

The exact server address and port for your device is specified in Unit Settings on the Hardware tab.

The list of possible addresses is below:

DNS Address:

How to use?

Create an account and Log in

Simply register in GPS-Trace platform. Download the app that suits you best! Enter the username and password that you specified during registration.

Create a unit

Create a unit in your account! Select your device type, set a unique ID and get the server address and port for connecting the device.

Configure your tracker

Configure your tracker to send data to the server address and port received when the unit was created. As soon as your tracker starts sending data to the server, the unit will immediately be displayed in the application.

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