Made of ABS material,long service life.Portable and lightweight, easy to carry for use.Built-in high performance smart antenna.It supports operation systems for Windows XP/Vista/Win7/Win 8/Mac/Linux.Item Name: USB Network CardMaterial: ABSSupported Protocol and Standard: IEEE 802.11nInterface: USB 2.0, USB 1.1Frequency Range: 2.4GHz - 2.4835GHzWorking Channel Number: 14Data Modulation: OFDM/CCK/16-QAM/64-QAMOperation Mode: Common Control Type (Infrastructure), Pear to Pear (Ad-Hoc)Transmission Rate: 150Mbps (Max)Spread-spectrum Technique: DSSSSensitivity: 135M: -72dBm at 10% PER; 130M: -72dBm at 10% PER; 108M: -72dBm at 10% PER; 54M: -72dBm at 10% PER; 11M: -85dBm at 8% PER; 6M: -88dBm at 10% PER; 1M: -90dBm at 8% PERRF Power: 15dbm (Max)Antenna: 2dBi (Built-in Smart Antenna)Transmission Distance: Depend on EnvironmentSupported Operation System: for Windows XP/Vista/Win7/Win 8/Mac/LinuxWorking Voltage: DC 5V +- 0.2VLED Indication: StatusFeatures: Portable, Mini, Built-in Smart Antenna,Easy to CarryLength: 20mm/0.79" (Approx.)Width: 15mm/0.59" (Approx.)Height: 6mm/0.24" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x USB Network Card