Windows 11 removed legacy support for the older (Prolific) USB-to-serial chipsets that many original BU-353 units used. While the BU-353S4 often uses a CP210x (Silicon Labs) or newer PL-2303 revision, Windows 11 may:
You can use free software to verify the GPS is sending data: G Star Iv Gps Driver Download Bu-353s4 Windows 11
Windows 11 blocks unsigned or modified legacy drivers. Windows 11 removed legacy support for the older
(powered by the SiRF Star IV chipset) is a popular USB GPS receiver, but users frequently encounter driver issues on Windows 11 because the Prolific PL2303 chip it uses often lacks official support for newer operating systems. G Star Iv Gps Driver Download Bu-353s4 Windows 11