Realtek RTL8139/810x Family Fast Ethernet NIC is a network card launched by Realtek manufacturer. Many computer manufacturers integrate this network card into the whole product, In terms of security, because it uses a complex encryption protocol, you don’t have to worry about your information being leaked online. Even if the information is intercepted by hackers, you won’t know the real content of the information, If you are particularly concerned about compatibility, this network card is a good choice because it uses a standard PC interface and can be connected to most motherboards, so you don’t have to worry about being unable to use this network card, In terms of speed, the speed of Realtek RTL8139/810x Family Fast Ethernet NIC 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,Thanks to the use of high-quality circuit boards and various high-quality components, it can work for a long time in various environments, even if it is minus 30°, it will not be affected in any way, and it can keep the network stable, In general, this is a good wireless network card, worth having.