The Apple Store has the 2nd-generation Refurbished Apple AirPort Express 802.11n Wireless Base Station, model no. MC414LL/A, for $49.99 ($99.99 if new) with Free Shipping for a limited time.
AirPort Express features simultaneous dual-band 802.11n Wi-Fi, and is fast and easy to set up from your iPhone, iPad, iPod touch, Mac, or PC. Create a network just for guests. Stream music to any room in the house. And print from any room in the house, too. All with the latest wireless technology.