This is a Wlan 11n Dongle, which fully supports the features and functional compliance of IEEE 802.11n, up to 300Mbps high-speed wireless network connections.
This item is with RTL8192CU Chipset, 2T2R, both downlink and uplink can be up to 300Mbps

Features:
Standard: IEEE 802.11n, IEEE802.11g, IEEE 802.11b,
Data transfer rate of up to 300Mbps (downlink) and 300Mbps (uplink) 2T2R
Interface: USB2.0
Operating frequency: 2.4~2.4835GHz
Security: 64/128 bit WEP/WPA/WPA2,WPA-PSK/WPA2-PSK(TKIP/AES)
Antenna type: Internal Omni-directional Antenna
Supports infrastructure and Ad-Hoc mode
Environment: operating temperature 0-40 °C

Minimum system requirements:
300Mhz process or above Minimum 64MB of RAM


Software Specification
Wireless Speed:
11n: Up to 350Mbps
11g: Up to 54Mbps
11b: Up to 11Mbps
Frequency Range:2.4-2.4835GHz
Wireless Transmit Power:20dBm(MAX EIRP)
Modulation Type : OFDM/CCK/16-QAM/64-QAM
Receiver Sensitivity(without Standards antenna):
300M: -68dBm@10% PER
108M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER
Work Mode: Ad-Hoc Infrastructure
Wireless Security: 64/128 bits WEP WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)
Support Operating System: Mac OS / Windows 2000/XP/Vista/Linux/ Win 7, 

Please note that this adapter will work with Windows 8/8.1, but you cannot use the software utility provided on the CD.  You will need to install the software and driver, and then just use the generic Windows environment to connect to your Wireless Network.

Hardware Specification:
Interface:USB2.0 Hi-Speed connector
Operating Temperature:0oC~40oC (32oF~104oF)
Storage Temperature:-40oC~70oC (-40oF~158oF)
Relative Humidity:10% ~ 90%, non condensation
Storage Humidity:5%~90% non-condensing
Dimensions: Meas: 52*48*17cm(L*W*H) CTN

Package contents:
1X RTL8192CU 300M 2T2R Wifi Adapter

1 x driver mini cd