For its newsletter subscribers only, Newegg offers the TP-Link 150Mbps 802.11n Universal WiFi Range Extender, model no. TL-WA750RE, for $24.99. Coupon code "EMCWVWN78" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $16. It features Ethernet, 64/128/152-bit WEP, and WPA-PSK / WPA2-PSK encryptions. Deal ends December 23.

Note that although this item is backordered, it can still be ordered at this price for delivery when available in 10 to 14 days.