critical WPA2 vulnerabilities afoot, see KRACK attacks (discussion @ /r/KRaCK, HN, /r/netsec, Slashdot)


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FCC approval date: 02 October 2012
UPC: 845973050665 (UPC DB, On eBay)
EAN: 6935364050665 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

B007ZWL1ZE (Flag of the United States.svg, On Amazon, On CCC)

Interface: USB

USB 2.0
Connector: Male A
Form factor tags: dongle

ID: 148f:5572 (4 addl. devices)
Windows: USB\VID_148F&PID_5572

Industry Canada ID: 8853A-WDN3200

WI1 chip1: Ralink RT5572

Probable Linux driver
rt2800usb (since kernel v3.10,
in backports) or rt5572sta
USB ID first seen in kernel v3.10 (2013-06-30)
(see also passys)

Windows driver
seems to have been removed from MTK's site
older Ralink drivers have been removed.
see the Wayback Machine
for some older driver sets (filter by EXE/ZIP)

Antenna connector: none

abgn, 2x2:2

OUI: C4:6E:1F (1 E, 1 W, 2011)

For a list of all currently documented Ralink chipsets with specifications, see Ralink.

N600 Wireless Dual Band USB Adapter

Product page • Driver

There is only one ID in the driver (148f:5572 / USB\VID_148F&PID_5572).

The device may (possibly) be known as the TL-WDN3321 in Asian markets.

"1108012300-1.0" and "Rev:1.0sp1" is silkscreened on the board in the FCC photos.

Indicated required USB power: 450 mA

Wi-Fi Certified (alt.) (as of 07/12/2012)

On Product Version 1.2, Chip: Ralink RT5572N (datecode 1424), kernel 13.3:


[18688.329911] usb 1-1.2: new high-speed USB device number 7 using ehci-pci
[18688.438319] usb 1-1.2: New USB device found, idVendor=148f, idProduct=5572
[18688.438326] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[18688.438331] usb 1-1.2: Product: 802.11 n WLAN
[18688.438334] usb 1-1.2: Manufacturer: Ralink
[18688.438337] usb 1-1.2: SerialNumber: 1.0
[18688.545636] usb 1-1.2: reset high-speed USB device number 7 using ehci-pci
[18688.646725] ieee80211 phy2: rt2x00_set_rt: Info - RT chipset 5592, rev 0222 detected
[18688.675286] ieee80211 phy2: rt2x00_set_rf: Info - RF chipset 000f detected
[18688.676016] ieee80211 phy2: Selected rate control algorithm 'minstrel_ht'
[18688.676515] usbcore: registered new interface driver rt2800usb
[18688.709514] systemd-udevd[6670]: renamed network interface wlan1 to wlan14
[18688.715588] ieee80211 phy2: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[18688.715820] ieee80211 phy2: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.29