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wifi card TP-Link 802.11ac WLAN Adapter
model: TP-Link 802.11ac WLAN Adapter(model id: 2242)
possible other names of the device:
Archer T2U Nano
AC600 Nano Wireless USB adapter
vendor:
Vast Technologies, Inc.
VendorID:ProductID code of the device:
10ec:011e
year of commercialization:
not-specified
interface:
USB
tested on:
GuixSD
tested with the following kernel libre:
Linux x200 5.13.13-gnu
does it work with free software?
yes
free driver used:
88XXau from the rtl8812au-aircrack-ng driver
Description:
Note: the vendor ID registered is incorrect: it should be
2357:011e
(see: https://h-node.org/issues/view/en/380). Tested with a Guix System, using the
rtl8812au-aircrack-ng-linux-module
module. The configuration looked like so:
(use-modules (gnu packages linux)
             ...)

(operating-system
  (host-name "x200")
  ...
  (kernel-loadable-modules (list rtl8812au-aircrack-ng-linux-module))
  ...
The performance appears very good on the 5 GHz band (OK on the 2.4 GHz band). It saturated my 50/10 MBPS link easily from across the apartment on the 5 GHz band.

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