SXBlue II GPS Series Technical Reference Manual
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In order to find the COM port number that Windows has assigned to the SXBlue II GPS, the
receiver must be connected to the USB port and powered on.
In Windows, go to “Start”, “Settings” and “Control Panel”. Double click on “System” to open the
“System Properties” window.
Select the “Hardware” tab then click on the “Device Manager” button.
Scroll down to and expand the “Ports (COM & LPT)” category. The SXBlue II GPS – USB Serial
Port will be shown with the COM port number assigned to it.