Logitech USB Unifying Receiver

2.4GHz 5GHz (Strong Dual Band Wi-Fi Speed), IEEE 802.11 a/n/ac 5 GHz, IEEE 802.11 b/g/n 2.4 GHz, WiFi Speeds: 867 Mbps on 5 GHz, 300 Mbps on 2.4 GHz, Reception Sensitivity: 5 GHz: 11a 54Mbps: -77 dBm, 11ac VHT80 MCS0: -92dBm, 11ac VHT80 MCS9: -64dBm, 2.4 GHz: 11g 54Mbps: -76 dBm, 11n HT40 MCS7: -72dBm, Antenna Type: 2× Fixed High-Performance Omni-Directional Antennas, Wireless Security: WPA-PSK/WPA2-PSK/WPA3-SAE

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