Here's the output from sudo lshw -c network
===============================================
*-network
description: AR5001-0000-0000
product: Wireless LAN Reference Card
vendor: Actiontec Electronics, Inc.
physical id: 0
version: 00
slot: Socket 0
resources: irq:9
*-network
description: Wireless interface
product: Atheros AR5001X+ Wireless Network Adapter
vendor: Atheros Communications Inc.
physical id: 1
bus info: pci@0000:01:00.0
logical name: wmaster0
version: 01
serial: 00:20:e0:37:47:1e
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list logical ethernet physical wireless
configuration: broadcast=yes driver=ath5k latency=168 maxlatency=28 mingnt=10 multicast=yes wireless=IEEE 802.11abg
resources: irq:9 memory:c000000-c00ffff
==============================================
I'll have to send this message (via my wired connection) and then reboot to bring up the Wifi card to see if disabling MAC filtering helps.

