Startech com half height mini pci express 300mbps wireless n card startech com mpex300wn2x2 p the startech com mpex300wn2x2 mini pci express wireless n card lets you add high speed 802 11n network connectivity to your laptop or small form factor system with support for data transfer rates up to 300mbps for efficient wireless communication the card uses a 2t2r 2 transmitter 2 receiver multiple input multiple output mimo design at 2 4ghz mimo antenna configurations employ multiple sig