Mercusys MW300UH N300 High Gain Wireless USB Adapter Provides fast 300Mbps Wi-Fi connections for wired devices Two 5dBi high gain antennas deliver enhanced reception and transmission performance With 2x2 MIMO, users can easily access to high-speed wireless connection Supports Windows 10/8.1/8/7/XP (32/64bit) Two High Gain 5dBi Antennas Leads to Maximized Range MW300UH has two high-gain external antennas to ensure stronger signal transmission and reception, which helps users to gain a stable Wi-Fi connection across their home. Desktop Design Greatly Avoids Signal Blocking The cable makes it easy to find a spot for MW300UH in your workplace. Moreover, compared to the slot-inserted adapters, this design allow you to put it nearer to the router, in which way it can receive stronger signals. Specifications Antenna Type External Dimensions (W X H X D) 4.46 x 2.51 x 0.85 in. (without antennas) 4.46 x 3.96 x 7.92 in. (with vertical antennas) 113.2 x 63.8 x 21.7 mm (without antennas) 113.2 x 100.5 x 201.1 mm (with vertical antennas) Signal Rate 11n: Up to 300 Mbps (Dynamic) 11 Up to 54 Mbps (Dynamic) 11b: Up to 11 Mbps (Dynamic) Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency 2.400 - 2.4835 GHz Reception Sensitivity 300M: -68 dBm@10 PER 270M: -68 dBm@10 PER 144M: -71 dBm@10 PER 130M: -71 dBm@10 PER 54M: -74 dBm@10 PER 11M: -86 dBm@8 PER 6M: -90 dBm@10 PER 1M: -94 dBm@8 PER Interfaces Micro USB 2.0 Package Contents 300 Mbps High Gain Wireless USB Adapter (MW300UH) Quick Installation Guide Resource CD USB Cable (Micro USB to USB A) Transmission Power 20 dBm (EIRP) Wireless Security WEP, WPA/WPA2, WPA-PSK/WPA2-PSK System Requirements Windows 10/8.1/8/7/XP (32/64 bit)