Edimax BR-6204Wg / BR-6304Wg / EW-7209APg v4

Overview
These devices cannot run any mainstream third-party firmware. See Realtek_SOC on the Linux-mips wiki.

The FCC test report lists the following as identical models..
 * Edimax BR-6204Wg / BR-6204WLg / EW-7209APg
 * Cabac WRO1W4L
 * PheeNet WBIG-104GR
 * JAHT WA-405ER / WP-4001BR2
 * Sitecom WL-160 v1
 * Conceptronic C54BRS4
 * Topcom Skyracer WBR 7001g
 * Electro Vision Roteador Wireless EV-950
 * INTELLINET 521666
 * Asbis CN-WF514
 * Sandberg 130-98 / 130-99
 * 2 Direct WL0026
 * Planet WRT414

Links of Interest
EW-7209APg specs, Product page, AP+Station+Bridge+Repeater BR-6204Wg specs, Product page, wireless router BR-6304Wg product page, VPN (IPSec gateway) router