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My TP-Link Archer TPE550E Wifi 7 PCIe-Adapter only has an incredibly low 1 to 4 Mbit/s download speed, while the upload speed is hitting the estimated 1.5 Gbit/s. I checked with a different notebook if the download is generally that bad, but it ain't so. My laptop has nearly 1 Gbit/s download speed next to my computer. Drivers are up to date. Moving the antennas around did not help at all.

Operating system is Win 11 64

Thank you for your assistance.