Product description: It adopts a brand-new mini design, which is exquisite and compact, does not take up space when in use, and is easy to carry. Soft AP function, easy to build a wireless LAN Compatible with a variety of mainstream operating systems, users can use it with confidence. Supports the latest encryption technology WPA-PSK/WPA2-PSK, WPA/WPA2 and other security mechanisms, making the Internet safe and worry-free! Use environment: Working temperature: 0~40 Storage temperature: -40~70 Working humidity: 10%~90% RH non-condensing Storage humidity: 5%~90% RH non-condensing Product features: Main chip: RTL8188 according to your choice Supported protocols and standards: IEEE 802.11g, IEEE 802.11b, IEEE 802.11n Interface type: USB2.0 Frequency range: 2.4-2.4835GHZ Number of working channels: 14 Data modulation: OFDM/CCK/16-QAM/64-QAM Working mode: centralized control Infrastructure, peer-to-peer Ad-Hoc transmission rate: 150Mbps maximum t Spread 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% PER RF power: 15dbm maximum Antenna: 2dBi built-in smart antenna Transmission distance: Varies depending on the environment Support operating system: Windows XP/VISTA/WIN7/WIN 8/MAC/LINUX Working voltage: DC 5V +-0.2V Package included: 1 x Mini USB WiFi Adapter150Mbps