56 devices 7 brands

Meiligao Protocol (MVT family · VT310 / VT600 / VT900 / MVT340 / MVT380)

Binary TCP protocol designed by Shenzhen Meiligao Electronics · the third pillar of Chinese OEM GPS protocols alongside GT06 and TK103. Often called "MVT" after the MVT-series fleet trackers that made it widespread.

Positions go to this server

gps.traxelio.com:5009 TCP

IMEI format: 7-byte BCD (device-printed ID padded with leading zeros, packed two digits per byte)

I already have a tracker

Connect your tracker

Enter your tracker IMEI to see whether Traxelio recognizes the model before you start setup.

Who ships hardware on this wire

Brands using Meiligao

Point this protocol at Traxelio

Point Meiligao at Traxelio

  1. 1

    Insert SIM with data plan + airtime

    Confirm the SIM works for data in a phone first. MVT-series devices have a single multi-purpose LED · a dead SIM and a config issue look identical from the LED alone.

  2. 2

    Connect over USB-to-serial (recommended)

    Open Meiligao Manager on Windows, plug in the USB-to-serial cable, click Read Parameters. This is faster and more reliable than SMS for the first config · you see the full parameter table at once.

  3. 3

    Point the device at your server

    In Manager, set Main Server IP/host to your-server.com and port to 5009. Or via SMS: adminip,000000,your-server.com,5009#. The default admin password is 000000 · change it after first config.

    adminip,000000,your-server.com,5009#
    apn,000000,internet#
    gprs,000000#
  4. 4

    Change the admin password

    password,000000,<new_password># · default 000000 is a security liability on a SIM that could receive any SMS. Pick a 6-digit value and store it with the device record.

  5. 5

    Confirm first position arrives

    Send status,<password># and watch your server log for the heartbeat (command 0x0A) followed by the first position (command 0x9955) after a clean boot with GPS lock. No traffic after the reboot · re-check APN (silent failure mode #1).

gps.traxelio.com:5009 TCP

Replace {password} with the tracker PIN or password.

Meiligao

Guided setup available

Set reporting interval

W{password},002,1

APN commands depend on the carrier SIM in your tracker, so they are not shown here.

Meiligao W012 commands

Guided setup available

Set reporting interval

W{password},014,00006

APN commands depend on the carrier SIM in your tracker, so they are not shown here.

iStartek VT series

Guided setup available

Switch to TCP

W{password},013,1

Set reporting interval

W{password},014,6

APN commands depend on the carrier SIM in your tracker, so they are not shown here.

Still offline after GPS lock

Meiligao still not landing

Device sends one packet, server decodes garbage, then nothing

Almost always a header confusion · $$ is not unique to Meiligao (a few other protocols use the same bytes). Check the BCD device-ID field at offset 4 · if it's not 7 BCD bytes matching the printed device ID, the listener is auto-routing to the wrong decoder. Bind Meiligao to its own dedicated port instead of multiplexing.

These symptoms are answered outside this section:

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