Any wireless NIC is supported by Linux driver (or ndiswrapper) can be used in the router described in this document. Currently, the examples in this document use an Altheros 802.11a/b/g NIC.
The Key features of the Altheros 802.11a/b/g NIC are:
802.11b/g (2.4 GHz) or 802.11a (5 GHz).
Quality of Service support for multimedia.
SuperAG mode (≤ 108 Mbps) and automatically identifies clear channels for maximum throughout.
Extended tuning range, dynamic frequency selection and transmit power control allows for adaption to local regulations.
Wire-speed encryption for AES, TKIP and WEP.