Sparklan WUBM-273ACN(MU)

Article Number: 10370
Brand: SparkLAN
Supplier number: WUBM-273ACN(MU)

SparkLAN WUBM-273ACN is an 802.11ac/b/g/n 2.4GHz + 5GHz USB module based on MediaTek MT7612U chipset. It supports 2T2R (2x2) technology, which runs up to 867Mbps (MSC9).

Adopting the latest 802.11ac solution, WUBM-273ACN is ideal for high throughput networking and multimedia applications that requires better Wi-Fi performance.

802.11ac/b/g/n USB Module, MediaTek MT7612U, 2T2R

‧ Standard: 802.11ac/b/g/n
‧ Chipset: MediaTek MT7612U
‧ Antenna: 2x U.FL connectors or Printing antenna, 2T2R
‧ Data rate up to 867Mbps
‧ Enhanced wireless security: WEP, WPA, WPA2, 802.1x

The total range of the WUBM-273ACN-series is:
10373, WUBM-273ACN(P) USB type A + Printed Antenna conn.
10371, WUBM-273ACN(M12W) 12-pin Wafer + U.FL. conn.
10370, WUBM-273ACN(MU) USB type A + U.FL. conn.
10372, WUBM-273ACN(P12W) 12-pin Wafer + Printed Antenna conn.


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AP/Client Mode
Client mode
Wifi Standard
Wifi Frequency
2.4 GHz
5 GHz
Form Factor
USB type A
Data Interface
USB 2.0
Data Streams
Driver Support
Windows 8.1
Windows 8
Windows 7
Windows XP
Max output power
15 dBm
Operating Temperature Range
0 °C – 50 °C
Antenna Connectors
55 mm
25 mm
Connector Type
This is the data sheet for the SparkLAN WiFi module WUBM-273ACN.


Uploaded at
2015-11-12 14:52:31
Last updated
2017-02-06 16:21:54
Related products
Sparklan WUBM-273ACN(MU)
Sparklan WUBM-273ACN(M12W)
Sparklan WUBM-273ACN(P12W)
Sparklan WUBM-273ACN(P)
CE RED Declaration of Conformity Document for SparkLan WUBM-273ACN modules.


Uploaded at
2017-07-12 11:49:28
Last updated
2017-07-12 11:49:28
Related products
Sparklan WUBM-273ACN(MU)
Sparklan WUBM-273ACN(M12W)
Sparklan WUBM-273ACN(P12W)
Sparklan WUBM-273ACN(P)
This archive contains the Sparklan Linux Drivers v4


Uploaded at
2017-02-06 16:27:39
Last updated
2017-08-18 11:20:43
Linux kernel 2.4 and 2.6 series.
Tested in Redhat 7.3 or later.
Related products
Sparklan WUBM-273ACN(MU)
Sparklan WUBM-273ACN(M12W)
Sparklan WUBM-273ACN(P12W)
Sparklan WUBM-273ACN(P)
This archive contains the drivers for the SparkLan module WUBM-273ACN in linux.


Uploaded at
2016-03-17 10:13:37
Last updated
2016-03-17 10:13:37
Related products
Sparklan WUBM-273ACN(MU)
Sparklan WUBM-273ACN(M12W)
Sparklan WUBM-273ACN(P12W)
Sparklan WUBM-273ACN(P)

What diagnostics information is needed when troubleshooting WiFi?


In order to ease the troubleshooting of technical problems and understand your end-product or application and its usage scenario we ask you to please provide the following information when creating a technical support ticket at:

Please give a detailed problem description and in what precise circumstances it is present.

Describe the host system:

-Hardware (system board, processor architecture, other peripheral devices...)

-Operating system with detailed versions (E.g. Windows version and build, Linux distribution, kernel version)

-Drivers used and versions (Linux: out-of-tree vendor drivers or in-kernel drivers?)

-Connection script and connection settings, including e.g. hostapd configuration

Details from the Wi-Fi module label:


-SKU/BOM or P/N code


For Linux systems, capture terminal logs from commands with sudo prefix:

uname –a

ifconfig -a


Iw list

lshw -c network

ip route

For PCIe devices:


lspci –vv

For USB devices:


lsusb -t

ls -l /dev/serial/by-id

ls -l /sys/bus/usb-serial/devices

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How do we integrate SparkLan devices using Mediatek MT7612U chipset in Linux systems?


The Mediatek MT7612U chipset can be supported by the Linux in-kernels wireless drivers starting from kernel version 4.19.

(For older kernels please relate to driver source downloadable package "Sparklan Linux Drivers v4" linked in the FAQ attached files section)

Usage of in-kernel driver in Linux kernel 4.19 and later:

Plug in the device and check if the correct Linux driver module is loaded correctly for the wifi module by command lsusb and lsusb -t as bellow:
Bus 002 Device 005: ID 0e8d:7612 MediaTek Inc.

lsusb -t
|__ Port 3: Dev 5, If 0, Class=Vendor Specific Class, Driver=mt76x2u, 5000M

If the "Driver=mt76x2u" is not shown the driver module fails to load correctly for the wifi module, please check with command dmesg if the device has been detected at all and if the firmware file have failed to load:

usb 2-3: USB disconnect, device number 2
usb 1-3: new high-speed USB device number 2 using xhci_hcd
usb 2-3: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
usb 2-3: New USB device found, idVendor=0e8d, idProduct=7612, bcdDevice= 1.00
usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-3: Product: 802.11ac WLAN
usb 2-3: Manufacturer: MediaTek Inc.
usb 2-3: SerialNumber: 000000000
usb 2-3: reset SuperSpeed Gen 1 USB device number 3 using xhci_hcd
mt76x2u 2-3:1.0: ASIC revision: 76120044
mt76x2u 2-3:1.0: Direct firmware load for mediatek/mt7662u_rom_patch.bin failed with error -2
mt76x2u: probe of 2-3:1.0 failed with error -2

If that is the case, make sure to download the latest firmware files bellow from and place the firmware files in the directory:

Firmware files:

Once in place, reboot the system or replug the USB device and the the correct driver should be loaded for the module.

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