An instant upgrade for your desktop PC to Dual-Band 4x4 AC3100 Wi-Fi, offering speeds of up to 2100 Mbps on the 5 GHz frequency band and 1000 Mbps on the 2.4 GHz frequency band. Experience 60% faster Wi-Fi with better signal coverage compared to 3x3 AC adapters. The external antenna base with magnetic properties allows for flexible positioning of the antennas for optimal reception. The specially designed heat sink ensures uninterrupted operation for enhanced stability and reliability.