Newegg offers the Asus AC1200 Bluetooth 4.0 PCI-Express Wireless Adapter, model no. PCE-AC55BT, for $34.99. Coupon code "EMCFEFH52" drops it to $29.99. With free shipping, that's the lowest total price we could find by $5. It features two coaxial jacks, dual-band connector, and an external antenna base. Deal ends October 19.