Notice: the text in red has been deleted from the previous revision, the text in green has been added in this revision and the text in gray has not been changed.
differences in the entry: vendor
Realtek-Semiconductor-Corp.
differences in the entry: model name
Realtek Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter
differences in the entry: possible other names of the device
TP-LINK TL-WN821N v4.1 Wireless N300 NETIS WF2122 300MBPS WIRELESS N USB Adapter, 300Mbps
TP-Link TL-WN821N v4.2 Wireless N300 USB Adapter, 300Mbps ADAPTER
differences in the entry: VendorID:ProductID code of the device
0bda:8178
differences in the entry: year of commercialization
2009 not-specified
differences in the entry: interface
USB
differences in the entry: GNU/Linux distribution used for the test
trisquel_6_0 trisquel_8_0
differences in the entry: tested with the following kernel libre
3.0.0.31-generic,3.13.0-39-lowlatency 4.4.0.96-generic,5.4.39-gnu
differences in the entry: does it work with free software?
no yes
differences in the entry: free driver used
rtl8192cu
differences in the entry: Description
[p]This product seems to be the newest in the TP-Link TL-WN821N line, unlike [a]https://h-node.org/wifi/view/en/253/Atheros-Communications-Inc-TP-Link-TL-WN821N-v2--Atheros-AR9001U--2-NG-|previous[/a] [a]https://h-node.org/wifi/view/en/266/Atheros-Communications-Inc-TP-Link-TL-WN821N-v3-1--Atheros-AR9002-|versions[/a] it requires nonfree firmware to run. Note in some online product listings it is impossible to find the "v" number before receiving the product.[/p]
For v4.2, tested on Trisquel 7.0
[p]lsusb[/p]
[code]Bus 002 [code]
Bus 001 Device 003: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter[/code]
[p]lsusb -v[/p]
[code]Bus 002 Device 003: 007: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0bda Realtek Semiconductor Corp.
idProduct 0x8178 RTL8192CU 802.11n WLAN Adapter
bcdDevice 2.00
iManufacturer 1
iProduct 2
iSerial 3
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
[/code]
The contents of this page are in the Public Domain. (see the
CC0 page for detailed information). Anyone is free to copy, modify, publish, use, sell, or distribute the text for any purpose, commercial or non-commercial, and by any means.
