SkyLink SL-R7205 (XDX-RN502J)

Overview
"XDX-RN502J V2.0" and "1022" is silkscreened on the board.

Shares the same board ID as the DealExtreme 92141
 * aka Bococom TH-R300W, Aceex NR22

This is similar to text on the Winstars WS-WR511N1 and they
 * likely share the same manufacturer (if not Winstars).

The manufacturer of this device appears to be widemac :
 * Shenzhen Century Xinyang Technology Co., Ltd.

Wiki's

 * On the OpenWrt wiki ("Widemac SL-R720X")
 * On the Reseau Libre wiki
 * SkyLink SL-R7205 (XDX-RN502J) (Widemac)
 * SkyLink SL-R7206 (XDX-RN502R) (Widemac) - Bococom DW-R150

Forum threads

 * On the OpenWrt forums
 * On the DD-WRT forums (images)
 * On the DD-WRT forums