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TZ-GTM01 GPS TRACKER MODEM User Guide
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Press the button OK .
Enter the Virtual serial ports driver, chose the first port as COM7 and chose second port
COM8, then press button “Add pair”,
so you create one pair virtual Com port: “COM7 -> COM8”&”COM8->COM7”.
Step6 Install google earth.
Run GoogleEarthWin_EARB.exe