For its newsletter subscribers only, newegg offers the TRENDnet AC1200 Dual Band 802.11ac Wireless USB Adapter, model no. TEW-805UB, for $46.99. Coupon code "EMCXLVP64" cuts it to $34.99. With free shipping, that's $7 under our mention from three weeks ago and the lowest total price we've seen for this adapter. (It's also a current price low by $5.) It features support for wireless encryption up to WPA2-RADIUS and data transfer speeds of up to 867Mbps. Coupon expires September 28.