DigitalEtc via Amazon offers Amazon Prime members the refurbished Linksys by Cisco E1000 802.11n Wireless 4-Port Broadband Router, for $17.50 with free shipping. (Non-members can spend over $25 to qualify for free shipping; otherwise, shipping adds $5.93.) That's $5 under our June mention and the lowest total price we could find by $3. It features WPA and WPA2 encryption.

No warranty information is available.

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