USB mini wireless small network card

 product features: Main chip: RTL8188Supported protocols and standards: IEEE 802.11g, IEEE 802.11b, IEEE 802.11nInterface type: USB1.1 USB2.0Frequency range: 2.4-2.4835GHZNumber of working channels: 14Data modulation: OFDM / CCK / 16-QAM / 64-QAMWorking mode: centralized control (Infrastructure), equivalent equation (Ad-Hoc)Transmission rate: 150Mbps (maximum value) tSpread Spectrum Technology: DSSS (Direct Sequence Spread Spectrum)Sensitivity @PER: 135M: -72dBm @ 10% PER; 130M: -72dBm @ 10% PER; 108M: -72dBm @ 10% PER; 54M: -72dBm @ 10% PER; 11M: -85dBm @ 8% PER; 6M : -88dBm @ 10% PER; 1M: -90dBm @ 8% PERRF power: 15dbm (maximum value)Antenna: 2dBi built-in smart antennaTransmission distance: varies with environmentSupport operating system: Windows XP / VISTA / WIN7 / WIN 8 / MAC / LINUXWorking voltage: DC 5V + -0.2V