From Manufacturer:

The EDUP EP-MS8512 EPUSB Wireless Adapter lets your HDTV, HD 1080p media players and your computer to connect wireless network freely.

Despite the size, this tiny USB card supports higher data rate of up to 300Mbps when connecting with wireless 802.11n device which is 3 times faster than your normally 11g connection. You can just plug it into computer’s USB port and enjoy incredible high-speed wireless network access.

* EDUP EP-MS8512 USB Wireless Adapter supports HDTV or HD Player use Realtek chips, like Realtek RTD1073, RTD1283 and RTD1185 and the New RTD1186. We have several HD 1080p media players (Realtek chips) in our store, like Measy and Asus etc

Product Description:

Realtek RTL8191SU Chipset
Complies with wireless 802.11b/g/n standards with data rate up to 300Mbps
Support the HD LCD TV / Player / HDTV which use Realtek chips(Realtek RTD1073DD, RTD1283DD, RTD1185 etc)
Supports software AP and building your wireless LAN.
Automatically detect and change transmission rate.
Support Windows 7/Vista/XP/2000, Mac OS X, Linux
Supports 300Mbps receiving rate and 150Mbps transmitting rate.
Interface: USB 2.0
Antenna Type: External 3dBi Detachable Antenna(Standard SMA connector)
Frequency: 2.4~2.4835GHz
Wireless Transmit Power: 20dBm (max.)
Channel: 1-13
Transmission mode: DSSS OFDM
Adapter size: 46 x 21 x 10 mm
Antenna length: 17cm
Product weight : 30g

Specification :