Improve notebook signal issues: If the signal of the notebook is not good, you can insert the network card into the notebook to complete the setting to improve the receiving performance of the notebook Support 2.4G/5G dual band: Supports both 2.4GHz and 5GHz operating bands. You can freely choose one of the operating frequency bands. Avoid wireless interference, dual-frequency collocation, signal transmission more in place 1200M transmission: Using 802.11ac wireless transmission standard, the transmission rate is as high as 1200 megabytes (2.4G300M 5G900M) Strong signal: Adopt high-performance chip to greatly improve data processing and wireless performance, faster and more stable network speed External high-gain dual antenna: Optimized dual antenna, high signal gain, 180-degree free rotation design, adjust signal strength at any time USB3.0 efficient transmission: The transmission rate is up to 5Gbps, which effectively improves the transmission stability of the network card, and high-speed transmission without lag Heat dissipation hole design: With heat dissipation hole design, it can effectively and quickly dissipate heat, extend the service life Specifications: Body size: 8*3.7*1.5cm Antenna length: 6.8cm Material: ABS Weight: 20g