TP-LINK TL-WN821N v4

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multiple revisions of this device, use caution
bgn (N300)
300Mbps Wireless N USB Adapter
TL-WN821N(UN)4.0.jpg
Homepage
Support
WikiDevi.wi-cat.ru
Platform
BrandModelRev
TP-LINK TL-WN821N v4
Series
TL-WN821N
Interface
USB 2.0
Connector
Male A
Form factor
dongle
ID:0bda:8178 (7 addl. devices)
Windows: USB\VID_0BDA&PID_8178
FCCID
Chip1
Realtek RTL8192CU

OUI: E8:DE:27 (2 E, 2 W)

MIMO status
2x2:2
Wireless Standards
IEEE 802.11b/g/n
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
Operating Frequency
2.4 GHz
Other
Manuf/OEM/ODM

Windows driver
possibly see Realtek's website, but the majority of legacy drivers have been removed
know a better source? LMK

Retail
Availability common
FCC approval date 21 December 2012
EAN 6935364090067
(UPC DB, On eBay)
ASIN B002T4D3M2 Flag of the United States.svg
multiple uses
 Chip1 brandChip2 brand
TP-LINK TL-WN821N v1AtherosAtheros
TP-LINK TL-WN821N v2AtherosAtheros
TP-LINK TL-WN821N v3AtherosAtheros
TP-LINK TL-WN821N v4Realtek
TP-LINK TL-WN821N v5Realtek
TP-LINK TL-WN821N v6Realtek

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

For a list of all currently documented TP-LINK device with specifications, see TP-LINK.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

  • "Rev:1.0" and "2052500371" appears to be silkscreened on the bottom side of the board in the FCC photos.
  • "Rev:1.1", "2052500381", and "GFM0120008" appears silkscreened on the bottom side of the board with serial "12C71900408".

Pictures

Retail Images
User Images

Notes

Technical info

(on Ubuntu 14.04 LTS, Linux kernel 3.13)

iw phy0 info
Wiphy phy0
	Band 1:
		Capabilities: 0x1862
			HT20/HT40
			Static SM Power Save
			RX HT20 SGI
			RX HT40 SGI
			No RX STBC
			Max AMSDU length: 7935 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 16 usec (0x07)
		HT TX/RX MCS rate indexes supported: 0-15, 32
		Frequencies:
			* 2412 MHz [1] (20.0 dBm)
			* 2417 MHz [2] (20.0 dBm)
			* 2422 MHz [3] (20.0 dBm)
			* 2427 MHz [4] (20.0 dBm)
			* 2432 MHz [5] (20.0 dBm)
			* 2437 MHz [6] (20.0 dBm)
			* 2442 MHz [7] (20.0 dBm)
			* 2447 MHz [8] (20.0 dBm)
			* 2452 MHz [9] (20.0 dBm)
			* 2457 MHz [10] (20.0 dBm)
			* 2462 MHz [11] (20.0 dBm)
			* 2467 MHz [12] (disabled)
			* 2472 MHz [13] (disabled)
			* 2484 MHz [14] (disabled)
		Bitrates (non-HT):
			* 1.0 Mbps
			* 2.0 Mbps
			* 5.5 Mbps
			* 11.0 Mbps
			* 6.0 Mbps
			* 9.0 Mbps
			* 12.0 Mbps
			* 18.0 Mbps
			* 24.0 Mbps
			* 36.0 Mbps
			* 48.0 Mbps
			* 54.0 Mbps
	max # scan SSIDs: 4
	max scan IEs length: 2257 bytes
	RTS threshold: 2347
	Coverage class: 0 (up to 0m)
	Supported Ciphers:
		* WEP40 (00-0f-ac:1)
		* WEP104 (00-0f-ac:5)
		* TKIP (00-0f-ac:2)
		* CCMP (00-0f-ac:4)
		* CMAC (00-0f-ac:6)
	Available Antennas: TX 0 RX 0
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * monitor
		 * mesh point
		 * P2P-client
		 * P2P-GO
	software interface modes (can always be added):
		 * AP/VLAN
		 * monitor
	interface combinations are not supported
	Supported commands:
		 * new_interface
		 * set_interface
		 * new_key
		 * new_beacon
		 * new_station
		 * new_mpath
		 * set_mesh_params
		 * set_bss
		 * authenticate
		 * associate
		 * deauthenticate
		 * disassociate
		 * join_ibss
		 * join_mesh
		 * set_tx_bitrate_mask
		 * action
		 * frame_wait_cancel
		 * set_wiphy_netns
		 * set_channel
		 * set_wds_peer
		 * Unknown command (84)
		 * Unknown command (87)
		 * Unknown command (85)
		 * Unknown command (89)
		 * Unknown command (92)
		 * connect
		 * disconnect
	Supported TX frame types:
		 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * Unknown mode (10): 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
	Supported RX frame types:
		 * IBSS: 0x40 0xb0 0xc0 0xd0
		 * managed: 0x40 0xd0
		 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * mesh point: 0xb0 0xc0 0xd0
		 * P2P-client: 0x40 0xd0
		 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * Unknown mode (10): 0x40 0xd0
	Device supports RSN-IBSS.
	HT Capability overrides:
		 * MCS: ff ff ff ff ff ff ff ff ff ff
		 * maximum A-MSDU length
		 * supported channel width
		 * short GI for 40 MHz
		 * max A-MPDU length exponent
		 * min MPDU start spacing
	Device supports TX status socket option.
	Device supports HT-IBSS.

dmesg

[15544.200093] usb 3-1: new high-speed USB device number 5 using xhci_hcd
[15544.217529] usb 3-1: New USB device found, idVendor=0bda, idProduct=8178
[15544.217536] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[15544.217540] usb 3-1: Product: USB WLAN
[15544.217542] usb 3-1: Manufacturer: 802.11n
[15544.217545] usb 3-1: SerialNumber: xxxxxxxxxxxx
[15544.259463] rtl8192cu: Chip version 0x11
[15544.295146] rtl8192cu: MAC address: e8:de:27:xx:xx:xx
[15544.295154] rtl8192cu: Board Type 0
[15544.295223] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1
[15544.295281] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin
[15544.295453] usbcore: registered new interface driver rtl8192cu
[15544.296228] ieee80211 phy1: Selected rate control algorithm 'rtl_rc'
[15544.296884] rtlwifi: wireless switch is on