ZyXEL NBG6503

Simultaneous Dual-band Wireless AC750 Home Router Manual

"M01-G6503-D10" is silkscreened on the board in the FCC photos.

ZyXEL Launches New Fleet of 11ac Routers and Adapters 

AboCom OEM unit on SpeedGuide.net
 * NBG6503F on AboCom's site
 * States 8MB Flash, 64MB RAM