USB WiFi (802.11b/g/n) Module: For Raspberry Pi and more : ID 1012 : $13.95 : Adafruit Industries, Unique & fun DIY electronics and kits

USB WiFi Adapter for Raspberry Pi

ADOPISOFT Piso Wifi DIY Kit Set, USB to LAN w/o Access Point (RPI Bo – AdoPisoft Electronics Store

USB WiFi (802.11b/g/n) Module with Antenna for Raspberry Pi

Raspberry Pi Products Category on Adafruit Industries

Raspberry Pi boards, cases, addons and accessories

Raspberry Pi Wifi Dongle

Raspberry Pi Products Category on Adafruit Industries

Miniature WiFi (802.11b/g/n) Module: For Raspberry Pi and more : ID 814 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Wi-fi card for Raspberry Pi Botland - Robotic Shop