A month ago, we wrote about QuickerTek’s QCard 2, a replacement Wi-Fi card that adds 802.11ac support to a handful of recent MacBooks. Now the company is back with mCard ($149), a wireless card designed for even older machines. mCard allows access to faster 802.11ac Wi-Fi networks, as well as adding the Bluetooth 4.0 wireless standard. Depending on Apple’s software support, this might be useful for people who want to take advantage of…
