Amazon offers Prime members the TP-Link 802.11n Wireless N300 4-Port Broadband Router, model no. TL-WR940N, for $24.99. (Non-members can qualify for free shipping with orders of $35 or more; otherwise, shipping adds $8.90.) Clip the $3 off coupon on the product page to cut the price to $21.99. With free shipping, that's $3 below our mention from last month and the lowest total price we've seen. (It's also a current low by $3.) It features four LAN ports, three antennas, and WPA/WPA2 encryptions.