Newegg offers the TRENDnet N600 Dual-Band 802.11n Wireless Router, model no. TEW-751DR, for $39.99. Coupon code "EMCWPHF57" cuts the price to $19.99. With free shipping, that's tied with our September mention and the lowest total price we could find by $15, outside of the price below. This router features both 2.4GHz and 5GHz bands, several types of encryption, up to 300Mbps data transfer rate, and four 10/100 Ethernet ports. Deal ends October 26.
A close price: Amazon offers it to Prime members for $20.07 with free shipping.