Use any serial terminal (PuTTY, Tera Term, or GPS software like u-center or VisualGPS). Connect to the assigned COM port at 9600 baud (or 115200), 8 data bits, 1 stop bit, no parity.
Plug in the VK-172 and run:
Windows will usually install the USB Serial Device driver (usbser.sys) automatically. Check in Device Manager under Ports (COM & LPT) . You will see something like USB Serial Device (COM3) . vk-172 driver
The VK-172 is a standard USB CDC device. No special drivers are needed in most modern operating systems—just plug it in and read NMEA sentences from the virtual serial port.
This document explains how to verify, install, and troubleshoot the necessary drivers for the VK-172 on Linux, Windows, and Android. The VK-172 is plug-and-play on most Linux distributions. The kernel includes the cdc_acm driver. Use any serial terminal (PuTTY, Tera Term, or
dmesg | tail -20 You should see output similar to:
usb 1-1.2: new full-speed USB device number 6 using xhci_hcd usb 1-1.2: Product: u-blox 7 - GPS/GNSS Receiver cdc_acm 1-1.2:1.0: ttyACM0: USB ACM device The device will be created as /dev/ttyACM0 or /dev/ttyUSB0 . Check with: Check in Device Manager under Ports (COM & LPT)
sudo usermod -a -G dialout $USER Log out and back in.
ls -l /dev/ttyACM* /dev/ttyUSB* Use cat , screen , or minicom to read NMEA sentences: