I would like to use two 3G/HSPA modems in a single ALIX board for load balancing and I 'm seeking the best possible configuration in terms of reliability. I currently have an ALIX 3d3 board. Is it ok to use two USB modems via a USB hub? Will the current suffice for both modems? (Unfortunately, the other USB port will be occupied.) I have already tried to do so and after a while only one of the two modems keeps operating successfully. Or is it better to use an ALIX 6f2 and use the embedded SIM socket together with a Mini PCI express HSPA modem plus a USB modem?
Any help appreciated.