Welcome to the Technoethical shop! We refurbish and sell only grade A, high quality devices compatbile with fully free operating systems. All our laptops are pre-installed with a completely libre BIOS (Libreboot) and a completely libre OS (Trisquel), and are certified by the Free Software Foundation to Respect Your Freedom (RYF).

Technoethical N450 Dual Band Wireless miniPCIe Card for GNU/Linux-libre

Technoethical N450 Dual Band Wireless miniPCIe Card for GNU/Linux-libre
Item Code: TET-N450DB
Availability: In Stock
Shipping: Worldwide (Priority Air Mail)
Estimated Delivery Time: 7-9 business days.
Warranty: 12 months
Price: €74
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Technoethical TET-N450DB cards are Atheros AR5BXB112 miniPCIe cards sold under our own brand, with a guarantee that the TET-N450DB version ships with the Atheros AR9380 integrated circuit that uses a free software driver; we can make no guarantees that other versions of the AR5BXB112 will ship with the same chipset.

With the Technoethical N450 Dual Band Wireless miniPCIe Card for GNU/Linux-libre you can connect to Wi-Fi networks using exclusively free software. With its three antenna connectors having 3x3:3 MIMO and dual channel (2.4/5GHz) configuration, it can reach speeds up to 450Mbps, even in a crowded Wi-Fi zone. You might also be interested in the Wireless USB adapters Technoethical N150 Mini, Technoethical N150 High Gain Antenna, Technoethical N300, and Technoethical N300HGA.

The Technoethical N450 Dual Band (TET-N450DB) card is based on the Atheros AR9380 integrated circuit and works with the free driver ath9k (GNU GPL v2). Thus you can use it with a completely free GNU/Linux distribution, which has the kernel Linux-libre, clean of the nonfree blobs from Linux. Using the latest versions of the kernel (3.0 or later), the card works out of the box.

Because the driver is free, you can study it and check what exactly it's doing. Moreover, you can modify the way the card works, so it can be an important resource for educational experiments or for your business. With the Technoethical N450DB Wireless miniPCIe card, your are in control of your own computer for connecting to Wi-Fi networks too.

Buy it for your laptop! You have a laptop with a full-size Wi-Fi card which doesn't work with free software, it's broken or has only two antenna connectors, while your laptop has 3 internal antennas. Then, this Wi-FI card is for you! The Technoethical T400 and Technoethical X200 laptops running Libreboot use the Technoethical N450DB Wi-Fi card. If your laptop only supports half-size mini PCI cards, then you should consider the Technoethical N300DB.

Technoethical donates parts of its income to different free software projects. We list the donations on the page Technoethical donations.

This is a refurbished card produced by Atheros, and sold by Technoethical under its own brand, as a warranty that the integrated circuit works with free software.

Dimensions 50.80 (L) x 28.92 (W) x 3.3 (H) mm
Integrated circuit AR9380
Interface miniPCIe full-size
Works with the kernel Linux-libre, version 3.0 or later
Linux-libre Driver ath_9k
Wireless standards 802.11a/b/g/n
Max. transfer speed 450Mbps
Antenna 3x U.FL connectors
MIMO configuration 3x3:3
Frequency band 2.4 GHz / 5 GHz
  • Client mode
  • AP mode (2.4GHz only)
  • AP/VLAN mode (2.4GHz only)
  • WDS mode
  • Mesh mode
  • Wi-Fi Direct (P2P) mode
  • Ad-hoc (IBSS) mode
  • Monitor mode
  • WEP encryption on 64/128 bits
  • 802.1x authentification
  • AES-CCM and TKIP encryption
  • WPA and WPA2 protocols

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