Units in your region: 0 / 0
AOVX detail page
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.

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.

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:
We recommend the app:
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