Although Ralink RT5390R 802.11bgn Wi-Fi Adapter is a relatively common network card, because of its good compatibility, it can be used in various operating systems, so many people have been using it, The most commonly used wireless data exchange protocols are 802.11b and 802.11a. Ralink RT5390R 802.11bgn Wi-Fi Adapter also supports these standard protocols. Using these protocols, it can be connected to various new or old router devices, Nowadays, more and more people are shopping online. Ralink manufacturers also take this into consideration, so they add encryption function to Ralink RT5390R 802.11bgn Wi-Fi 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, 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, In terms of speed, the speed of Ralink RT5390R 802.11bgn Wi-Fi Adapter has reached the current mainstream level. It allows you to watch high-definition network videos smoothly, and it can process some simple network data packets by itself, disassemble the data packets into raw data and send them to the application layer. This will save a lot of CPU resources. But to realize this function, you must install the correct driver for it,In general, this is a good wireless network card, worth having.