Product Name: Realtek 8812CU 1300m USB Wifi Adapter Product color: black Product material: ABS material+USB ironhead Chip: Realtek 8812CUWiFi Speed support: 24GHz -400Mpbs 5.8GHz --867MpbsFrequency: Dual Band 2.4G+5.8G Antenna: 2* 5dBi antennaifi Standards IEEE 802.11 ac,IEEE 802. 11a,IEEE 802. 11n. IEEE 802. 11g, JEEE 802.11bFrequency:2.412~ 2.484GHz/5.15~5.825GHzSiqnal Rate 5.8GHz11ac: Up to 867 Mbps (dynamic)11a: Up to54Mbps(dynamic)2.4GHz 11n: Up to 400Mbps (dynamic)11g: Upto 54Mbps (dvnamic)11b: Up to 11Mbps(dynamic) Reception Sensitivity 11a 6Mbps:-88dBm11a 54Mbps:-71dBm11ac HT20:-65dBm11ac HT40:-60dBm11ac HT80:-56dBm11b 11Mbps- 90dBm11g 54Mbps:-73dBm11n HT20:-71dBm 11n HT40:-68dBm Wifi Modes: Ad-Hoc /Infrastructure modeWireless Security Support 64/128-bit WEPWPA-PSK/WPA2-PSK802.1x Modulation Technology: DBPSKDQPSKCCKOFDM16-QAM64- OAMApplicable system: Windows XP/Vista/7/8/10/11 LinuxMac OS