USB WiFi (802.11b/g/n) Module with Antenna for Raspberry Pi
300Mbps PCI Express Wireless LAN Network Adapter Card with 2 Antennas, IEEE 802.11b / 802.11g / 802.11n Standards | Alexnld.com
WiFi Module 802.11 b/g/n with IC Antenna - LM822 - Bluetooth and WiFi Modules and Adapters - LM Technologies
IEEE 802.11 - Wikipedia
Mercury MW305R Wireless Wifi Router 300Mbs IEEE 802.11g/11b/11n/3/3u access point signal booster 5 ports router for SOHO|router board|router aluminumrouter with printer port - AliExpress