AR9271

Atheros 9271 chipset is present in a few Wi-Fi adapters such as Unex_DNUA-93F WiFi USB adapters

• https://wikidevi.com/wiki/Atheros_AR9271

DNUA-93F

• product page
• Datasheet (pdf)

TPE-N150USB

• ThinkPenguin TPE-N150USB

SW

• Free driver ath9k_htc ath9k
• Free firmware open-ath9k-htc-firmware

 apt-get install firmware-atheros

Kernel messages

usb 2-1.4: new high-speed USB device number 98 using ehci_hcd
usb 2-1.4: New USB device found, idVendor=0cf3, idProduct=9271
usb 2-1.4: New USB device strings: Mfr=16, Product=32, SerialNumber=48
usb 2-1.4: Product: UB93
usb 2-1.4: Manufacturer: ATHEROS
usb 2-1.4: SerialNumber: 12345
usb 2-1.4: firmware: agent loaded htc_9271.fw into memory
usb 2-1.4: ath9k_htc: Transferred FW: htc_9271.fw, size: 51272
ath9k_htc 2-1.4:1.0: ath9k_htc: HTC initialized with 33 credits
ath9k_htc 2-1.4:1.0: ath9k_htc: FW Version: 1.3
ath: EEPROM regdomain: 0x65
ath: EEPROM indicates we should expect a direct regpair map
ath: Country alpha2 being used: 00
ath: Regpair used: 0x65
ieee80211 phy2: Atheros AR9271 Rev:1
Registered led device: ath9k_htc-phy2
usb 2-1.4: ath9k_htc: USB layer initialized

iw list

Wiphy phy2
	Band 1:
		Capabilities: 0x116e
			HT20/HT40
			SM Power Save disabled
			RX HT20 SGI
			RX HT40 SGI
			RX STBC 1-stream
			Max AMSDU length: 3839 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 8 usec (0x06)
		HT TX/RX MCS rate indexes supported: 0-7
		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] (20.0 dBm) (passive scanning)
			* 2472 MHz [13] (20.0 dBm) (passive scanning)
			* 2484 MHz [14] (disabled)
		Bitrates (non-HT):
			* 1.0 Mbps
			* 2.0 Mbps (short preamble supported)
			* 5.5 Mbps (short preamble supported)
			* 11.0 Mbps (short preamble supported)
			* 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
	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)
	Available Antennas: TX 0 RX 0
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * monitor
		 * 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
		 * remain_on_channel
		 * set_tx_bitrate_mask
		 * action
		 * frame_wait_cancel
		 * set_wiphy_netns
		 * set_channel
		 * set_wds_peer
		 * 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
	Supported RX frame types:
		 * IBSS: 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

Regulatory

# iw reg get
country 00:
	(2402 - 2472 @ 40), (3, 20)
	(2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
	(2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
	(5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
	(5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
# regdbdump /lib/crda/regulatory.bin

# iw reg set BE

/etc/default/crda: REGDOMAIN=BE