D-Link DIR-845L rev A1

Overview
"8WRGND21.1B1G" is silkscreened on the board in the FCC photos.

From the FCC test report...  The communication partner run test program “RT5x9x V1.0.7.6 AP” to enable EUT under transmission/receiving condition continuously at specific channel frequency.
 * The device presumably uses RT5392 and RT5592.

Default SSID patterns for the device are probably dlink-XXXX and dlink-media-XXXX.