Amazon offers its Prime members the ZyXEL 802.11n Wireless Pocket Travel Router, model no. MWR102, for $17.99 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $8.22.) That's a buck under our February mention and the lowest total price we could find by $14. This device can also serve as a client bridge or access point. It features 64/128-bit WPA/WPA2 encryption and USB connectivity.

Of note, newegg offers it for the same price via coupon code "ZYXLAPR12".

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.