- wired WAN
- wired LAN
- 3G backup, preferably mini pcie with SIM slot
Edit: Maybe the best route is to use a 3G ethernet bridge and a 4/5 port router? What 3G device would you get then? I would need to use external antennas.
Thanks,
Sven
EDIT: Settled on the RB750UP and USB LTE modem.