Realtek.For a list of all currently documented Realtek chipsets with specifications, see
- Regarding third party firmware support, Realtek SoC support in OpenWrt + (success) RTL8196C port status. on the OpenWrt Forum and the Realtek thread on the DD-WRT Forum may be of interest.
"TD5136/TD5130" and "21512TD513**IA0".. appears to be silkscreened on the board in the FCC photos.
Default settings are per the FCC manual.