Take a look at this unit
NETGEAR Wall-Plugged Wireless Range Extender Kit
The kit consists of the XE102 Wall-Plugged Ethernet Bridge and a WGX102 54 Mbps Wall-
Plugged Wireless Range Extender.
The XE102 connects to an existing wired router from any vendor, and the WGX102 can be plugged
into any electrical outlet to create an area of wireless access