Lot of 100 USB 3.0 Cards Dual Band 1200Mbps USB WiFi Adapter Long Range Antennas Features: The 1200Mbps wifi adapter can upgrade the PC network speed to 802.11ac, ensuring you enjoy a faster network environment. Using 5GHz (867Mbps) or 2.4GHz (400Mbps) dual-band technology, you can freely switch between the two frequency bands. Equipped with two high-gain dual-frequency omnidirectional antennas, which can be rotated 180°, making it easier for the wireless network card to receive wifi signals, greatly enhancing the reception strength of the usb wifi adapter and sending signals, andRead More