Actually on solar deployments we are using rb433 or equivalents, for example rb535 with 5 radios loads 8.4w. Are planed rb433 with mini pci-e?
http://routerboard.com/RB953GS-5HnT
two miniPCIe ports
a lot power consumption the rb953, is better 3 boards RB911G-5HPnD
RB911G have only level3 licence
RB912UAG-5HPnD