tech
cheatsheet
- AP = access point - Access point (ap) is the thing you connect to, e.g. wireless router.
STA = station - wireless/mobile station (sta) is your end user device, e.g. your phone.
PHY6222, EWM110
boards
WPA/WPA2
七层网络模型:

记忆方法:“物数网传会表应”,记住这7个字,就记住了这七层
数据最终通过数据链路层+物理层传输到硬件网络,在数据链路层和物理层上的数据都是通过层层数据封装实现的。
wifi distance
wifi IEEE standard
Wireless-N USB 2.0
Wireless-N USB 2.0 Adapter allows you to connect your laptop or desktop to any Wireless-N networks in your home or office. The Wireless-N (802.11n) USB 2.0 Adapter is great for those who want to upgrade older computers to be able to access the internet over a Wireless-N network.
At 5 times faster than traditional Wireless-G (802.11b) networks, Wireless-N networks allow for high speed data transfers, online gaming, and lightning fast downloads. The Wireless-N USB 2.0 Adapter gives you access to all the high-speed features of Wireless-N networks on older and newer computers. Its simple and easy setup means you'll be surfing the internet, downloading movies, and e-mail in no time.