Hi, I am in the need for a router and the BPI-F3 got my attention due to the Mini-PCIe slot present. I have a Mini-PCIe SFP card, a fiber switch and a 4G modem. I was wondering if I could drop the modem and install the SIM Card directly into the BPI-F3? Or do I need something extra to get the SIM Slot working? Thank you for your time