Feature:Ultra-low power design, energy saving , 8. Transmit power <20dBm.Description:Name: 5Ghz / 2.4Ghz Wireless USB3.0 AdapterChipset: RTL8812BUStandard: IEEE802.11 ac/a/b/g/n standardInterface type: USB3.0/compatible with USB2.0Wireless mode: centralized control (infrastructure) and point-to-point (Ad-Hoc)Antenna: built-in antennaWireless speed: 2.4G-300Mbps, 5.0G-867MpbsData modulation: BPSK, QPSK, CKK, OFDM (BPSK, QPSK, 16-QAM, 64-OAM)Frequency: 2.4Ghz / 5.0GhzEncryption: 64/128/152-bit WEP encryption, WPA/WPA-PSK, WPA2/WPA2-PSK encryption and WPS one-key encryptionOperating system: Compatible for Windows XP/Vista/WIN 7/WIN 8, etc.Compatible: Compatible with all brands of laptops and desktopsPacking list:1 x 5Ghz / 2.4Ghz Wireless USB3.0 Adapter1 x Packing BoxNote:1. Due to manual measurement, please allow 1-3mm error. Make sure you don't mind before bidding.2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.