Ralink RT5390 802.11b/g/n WiFi Adapter is a network card launched by Ralink manufacturer. Many computer manufacturers integrate this network card into the whole product, In order to ensure a faster network speed, the Ralink manufacturer uses a high-quality circuit board as the bottom plate, so that all components on the circuit board are in good working condition, and the electronic interference generated by each device in the main computer box to Ralink RT5390 802.11b/g/n WiFi Adapter is very small, Nowadays, more and more people are shopping online. Ralink manufacturers also take this into consideration, so they add encryption function to Ralink RT5390 802.11b/g/n WiFi Adapter, which can encrypt data before transmitting to external devices. However, this function is not enabled by default. The encryption function will be enabled only when you set it in the control interface of the driver, If your computer is an old-fashioned device, don’t worry, because this network card has good compatibility and can be used with various computer hosts, It is made of a multi-layer PCB board, which can shield most of the external electronic interference, and its stability is very high. Even if there is a wall, it can receive most of the signal from the router, Finally, please install the correct driver for it, so that it can exert its maximum performance.