The EPI-1900 is a pure PCI Adapter with two Reverse SMA connecters. It offers a great flexibility to users by inserting any Wireless mini-PCI card and detachable antenna. Users are free to adopt 802.11b, 802.11b/g, 802.11a/b/g and 802.11a/b/g/n mini-PCI cards.
EMP-8602 PLUS-S : Atheros 6thG Mini-PCI Adapter EMP-8602 PLUS-S is a mini-PCI type III B High-Power card supporting dual-band (2.4GHz & 5GHz) radio operation. It provides high-speed wireless connection with data rate up to 54Mbps. The shirking dimension and light weight can easily integrate into a wide range of AP/Bridge device. The 802.11g standard is backwards compatible with 802.11b products. This means that you do not need to change your entire network to maintain connectivity. You may sacrifice some of 802.11g speed when you mix 802.11b and 802.11g devices, but you will not lose the ability to communicate when you incorporate the 802.11g standard into your 802.11b network
access point
EPI-1900.pdf