TP-Link TL-WN821N Wireless N USB

Dual Band Wi-Fi Speed: Speeds up to 867 Mbps (5 GHz) + 400 Mbps (2.4 GHz), IEEE 802.11ac/a/b/g/n, WiFi Speeds: Up to 867 Mbps on 5 GHz, Up to 400 Mbps on 2.4 GHz, Reception Sensitivity: 5 GHz: 11ac HT80: -59.0dBm, 11n HT40: -68.5dBm, 11a 54Mbps: -73.5dBm, 11a 6Mbps: -91dBm, 2.4 GHz: 11n HT40: -69.5dBm, 11g 54Mbps: -74dBm, 11b 11Mbps: -87dBm, Antenna Type: Internal Antenna, Wireless Security: WPA/PSK, WPA2-PSK, WPA3-SAE