1. Dual-frequency switching, supporting two working frequency bands of 2.4GHz and 5GHZ; 2. Optimized Four-antenna combination, high signal gain, 180-degree free rotation design; 3. The USB3.0 transmission rate is as high as 5Gbps, which effectively improves the transmission stability of the network card, and the high-speed transmission does not freeze; 4. Heat dissipation hole design, effective and rapid cooling to maintain normal working environment and prolong service life; 5. Strong high-speed wall-penetrating Four-antenna signal strong and high transmission.