The devolo WiFi pro 1200e is a wall mountable access point with:
→ Install OpenWrt (generic explanation)
Set a password for the root user as prompted on first set-up of OEM firmware.
/tmp as the destination folder on the device. User is root, password previously set in the web interface.sysupgrade -n -F /tmp/<openwrt-image-name>
There is a pin header labeled J2 soldered into the board already that you can connect to. Looking at the board, when the reset button is facing up, J2 is located close to the “golden square” in the center of the board, straight below the reset button. It is a 4 pin header aligned vertically with the pins being:
Main PCB:
Close-up of serial header::