The VK-172 typically runs at 9600 baud (u-blox 7) or 115200 baud (u-blox 8). Use stty :
Here is the text for a VK-172 driver (typically for Linux systems, as the VK-172 is a USB GPS receiver based on the u-blox chipset). Introduction vk-172 driver
https://github.com/torvalds/linux/blob/master/drivers/usb/class/cdc-acm.c No additional out-of-tree driver is required. | OS | Driver | Device Name | |----|--------|--------------| | Linux | cdc_acm (built-in) | /dev/ttyACM0 | | Windows | USB Serial Device (usbser.sys) or u-blox VCP | COM3 (example) | | Android | OTG + Serial USB app | N/A (app-specific) | The VK-172 typically runs at 9600 baud (u-blox
To use the GPS without sudo , add your user to the dialout group: | OS | Driver | Device Name |
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.
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.