Linksys WAP54G v1.1

Wireless-G Access Point

OEM Gemtek WX5541 (WX5541_V00)

WAP54G v1.1 serial numbers appear to begin with MDG1.

Some WAP54G v1.1s may instead use WX5561 boards, like the SparkLAN WX-6800.

WAP54G series on the OpenWrt wiki On the DD-WRT wiki