Supports 802.11ac Standard: This WiFi adapter is designed with the 802.11ac standard for superior wireless connectivity and is backward compatible with 802.11b/g/n wireless devices. High-Speed Dual Band: With selectable dual-band frequencies (2.4GHZ/300Mbps, 5.8GHZ/867Mbps), enjoy high-speed internet access without lag. Strong Anti-Interference: It boasts strong anti-interference capabilities, ensuring a smooth and stable connection even when surrounded by multiple electronic devices. Compact and Portable: Crafted with a micro-appearance design, this compact adapter is portable and easy to carry, perfect for on-the-go use. Rotatable Dual Antenna: Comes with a detachable and rotatable external antenna that effectively enhances signal strength and reception range. Item Type: Wireless Network Card Material: PVC Chip: Rtl8812bu Wireless Standard: IEEE802.11ac/a/n/g/b Interface: USB3.0 Antenna: Detachable external 2DBi antenna Transmission Distance: Indoor MAXIMUM: 100 meters (depending on environment) Operating Frequency: 2.412-2484GHz/5.15-5.825GHz (according to country/region) Transmission Power: 802.11b (CCK) 11Mbps: 20+/-1dBm 802.11g (OFDM) 54Mbps: 17+/-1dBm 802.11n (OFDM) 150Mbps: 16+/-1dBm 802.11ac (AC80) MCS9: 15+/-2dBm EVM: 11b 11Mbps: <-15db 11g 54Mbps: <-27db 11ac MCS9: <-30db Receiver Sensitivity: 802.11b: -76+/-1dBm; 802.11g: -65+/-1dBm 802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -65+/-1dBm AC80-MCS9: -55+/-1dBm Wireless Transmission Rate: 11b: Max 11Mbps, 11g: Max 54Mbps, 11n: Max 300Mbps, AC: Max 867Mbps Voltage/Current: 5V DC±5%V DC/<220mA (MAX) Power Consumption: Transceiver Status: 220mA (max) TX Only Status: 220mA (max) RX Only Status: 180mA (max) Operating System: Compatible for windowsXP/for win7/for vista/for win8/for win10; Wireless Security Support: WPA/WPA2/WEP/802.1X/WMM.