Open Box Sales via Rakuten Shopping offers the refurbished Apple AirPort Extreme 802.11ac Wireless Base Station, model no. ME918LL/A, for $139.99. Apply coupon code "MP30" and checkout via MasterPass to cut it to $109.99. With free shipping, that's $20 under our refurb mention from Black Friday week and the lowest total price we've seen for this model. (It's also a current price low for a refurb by $19; for new by $75.) It uses 802.11ac WiFi technology, which offers up to 40% faster transmissions than 802.11n. Coupon expires December 16.
Note: No warranty information is provided.