3 years warranty 2 x 5dBi high gain antennas detachable antennas 1.2M USB3.0 extension cable, easy for laptop & desktop deployment Complies with IEEE 802.11ac/a/b/g/n standards. Up to 1167Mbps data rate for Wi-Fi network. MU-MIMO technology upgrades your PC/Laptop to enjoy faster Wi-Fi. Operates on either 2.4GHz or 5GHz band. Supports 5G band with less contention interference, more stable and better performance. Supports 64/128-bit WEP, WPA/WPA2 and WPA-PSK/WPA2-PSK encryption. Provides Micro USB3.0 interface with USB extension cable. Works with all existing network infrastructures. Supports Windows 10/8/7/ XP/Vista (32/64-bit). Easy to install and configure. A2000UA Wireless AC USB adapter adopts the Next-GEN AC Wi-Fi technology with MU-MIMO supported to upgrade your Windows®-based laptop or PC to enjoy faster and stronger home Wi-Fi than normal 11ac adapters. Featured by concurrent dual band, A2000UA allows you to choose the optimal Wi-Fi as you can. So it is the perfect solution for users with a MU-MIMO router. Hardware Interface - Micro 10 Pin USB 3.0 LED Indicator - 1 * Wireless Button - 1 *WPS Button Antenna - 2 *5dBi detachable antennas Wireless Standards - IEEE 802.11ac, - IEEE 802.11a, - IEEE 802.11b, - IEEE 802.11g, - IEEE 802.11n RF Frequency - 2.4GHz/5GHz Data Rate - 2.4G: Up to 300Mbps - 5G: Up to 867Mbps EIRP - < 20dBm Wireless Security - 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) Reception Sensitivity - 2.4G: 11b: <-79dbm； 11g: <-68dbm； 11n: HT20<-65dbm HT40: <-61dbm - 5G: 11a:<-68dbm； 11ac: HT20<-65dbm HT40: <-61dbm HT80: <-51dbm