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AC600 Wireless USB Adapter

MWA255 (AC600)

AC600 Wireless USB Adapter

  • Up to 600Mbps wireless speed—With 802.11ac technology, ideal for smooth HD video, audio streaming and online gaming.
  • Selectable Dual Band wireless design—Working in the less congested band for more stable and better performance.
  • High gain external antenna—With stronger signal penetration strength, wider wireless coverage, providing better performance and stability.
  • Easily setup—Device driver with online setup wizard.
  • Supports—Windows XP / Vista / 7 / 8 / 8.1 / 10, Mac OS X 10.4~10.12, Linux: Ubuntu 14.04,Ubuntu 16.04(kernel <= 4.13), LinuxMint 18.02 and fedora 23. Does not support Linux CentOS 7, Kali, openSuSE, Debian 9 and Mac OSX 10.13. 


Meross AC600 Wireless USB Adapter MWA255 is designed to take your PCs and Macbooks to online world with the next generation Wi-Fi Standard - 802.11ac technology. With wireless speed of up to 600Mbps (433Mbps at 5GHz and 150Mbps at 2.4GHz), MWA255 provides you with a fast, reliable wireless connection for lag-free HD video streaming and online gaming. Moreover, MWA255 supports both 2.4G and 5G bands, you can flexibly choose the less congested band for connection. Apart from the general features, MWA255 can achieve wider wireless coverage and stable connection with its high gain external antenna.


Chipset Realtek RTL8811AU
Interface USB 2.0
Dimensions ( W x D x H ) 5.8 x 0.8 x 0.4 in. (150 x 21 x 9.5 mm)
Antenna One 2dBi External Antenna
One Internal Antenna


Wireless Standards IEEE 802.11 a/b/g/n/ac
Frequency 5GHz
Signal Rate 5GHz:
11ac: Up to 433Mbps
11n: Up to 150Mbps
11a: Up to 54Mbps
11n: Up to 150Mbps
11g: Up to 54Mbps
11b: Up to 11Mbps
Reception Sensitivity 5GHz:
11a 6Mbps: -94dBm
11a 54Mbps: -78dBm
11n HT20 MCS0: -94dBm
11n HT20 MCS7: -77dBm
11n HT40 MCS0: -92dBm
11n HT40 MCS7: -74dBm
11ac VHT80 MCS0: -89dBm
11ac VHT80 MCS9: -64dBm
11b 1Mbps: -99dBm
11b 11Mbps: -91dBm
11g 6Mbps: -94dBm
11g 54Mbps: -77dBm
11n HT20 MCS0: -95dBm
11n HT20 MCS7: -76dBm
11n HT40 MCS0: -92dBm
11n HT40 MCS7: -73dBm
Transmit Power <20dBm(EIRP)
Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK

*Does not support Enterpirse WiFi.

Modulation Technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM, 256-QAM


Certification FCC, CE, RoHS
Package Contents Wireless Adapter
One External Antenna
Driver CD
System Requirements Windows XP / Vista / 7 / 8 / 8.1 / 10
Mac OS X 10.4~10.12
Environment Operating Temperature: 0℃~40℃ (32℉~104℉)
Storage Temperature: -40℃~70℃ (-40℉~158℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Download for MWA255 (AC600)


MWA255(UN) v1 User Manual

Drivers GPL Code


GPL Code