OpnSense with 802.11 b/g/n Wi-Fi

[Cobra]

I want to install OpnSense on a MoBo with 802.11 b/g/n Wi-Fi to use as a secondary WAN or, alternatively, as a basic Access Point to which other APs will connect using VLANs.
i3 CPU and 8GB RAM.
WAN1 is a FTTC 100/20 Mb
What do you think?