E-TOP BR186n

On the DD-WRT forums On Deal-Extreme

The device also has an standard US AC plug for power.

Models the device is otherwise known as..
 * E-TOP BR186n
 * Amigo BR186n
 * SAPIDO MB-1132, RB-1132

Internal photos..
 * Board bottom
 * Board top

"EPMBBR186NXXX3XX" is assumed to be silkscreened on the main board.