Amazon offers the Netgear N300 802.11n Wireless Router, model no. JNR3210-100NAS, for $19.99 with free shipping via the directions below. That's the lowest total price we could find by $15, although in November we briefly saw it for $10 less. It features dual detachable antennas and data transfer rates of up to 300Mbps. Rebate expires March 31. To get this deal:

1. View the Netgear N300 802.11n Wireless Router for $54.99
2. clip the $15 off coupon (found directly under the product price)
3. redeem this $20 mail-in rebate for a final price of $19.99