Aztech WL559E

Wall Plugged 300Mbps High Speed Wireless-N Range Extender Product page
 * 4MB SPI Flash (default)
 * 64MB RAM

"250-615500-602" is silkscreened on the main board in the FCC photos. "250-615600-202" is silkscreened on the power board in the FCC photos.

Per the FCC label, the default SSID pattern is Aztech559_XXXX.