ZBT WE826

Overview
"ZBT-WE826_B0" and "ZBT-WN2522" is silkscreened on the board.

Key features

 * CPU: MediaTek MT7620A @580MHz (RevID: 0206)
 * RAM: 128MB (DDR2), Flash: 16MB (SPI NOR)
 * 2.4GHz Wi-Fi (supports 802.11bgn, up to 300Mbps)
 * Optional 5GHz Wi-Fi (supports 802.11abgn/ac, up to 867Mbps)
 * 1x USB 2.0, 1x microSD, 1x Mini PCIe
 * 4-pins serial debug port header

Links of Interest
Note: Original device is coming with empty mpci-e slot but can be supplied with MT7612E
 * ZBT WE826 on OpenWrt wiki
 * ZBT-WE826 on CeBIT
 * radio card or 3G/4G modem card (SIM Card slot soldered on PCB bottom).

Pictures
User Images 

Hardware Modification

 * This board uses FE1.1s USB 2.0 HUB (4 ports) chip providing
 * front USB port and MiniPCIe usb interface (for 3G/4G modem).
 * 2 other ports are free and can be used for hardware mods.