As one of its daily deals, Newegg offers the TP-LINK 300Mb/s 802.11n WiFi Universal Range Extender, model no. TL-WA854RE, for $17.99 with free shipping. That's the lowest total price we could find by $5, although it was $1 less last month. It features WPS one-button set up, 64/128/152-bit WEP, and WPA-PSK / WPA2-PSK encryption. Deal ends today.