= Venice Cellular SIM and MicroSD Slot The dual combination slot on the Venice SBCs can hold a nano SIM and microSD storage card at the same time. The orientation for the SIM is with metal contacts facing down and the notch as indicated on the metal diagram on top of the cage. The SIM goes in the 'bottom' slot as indicated in the pictures below (white card) The orientation for the microSD is with metal contacts facing down. The microSD goes in the 'top' slot as indicated in the pictures below (black 8GB card) == SIM Only [[Image(simslot.jpg,600px)]] == SIM & MicroSD [[Image(microsd.jpg,600px)]] == GW7400 Dual SIM The GW7400 has dual Nano SIM slots mapped to the single M.2 B-Key slot. The SIM mapping follows the official M.2 spec. See more in the schematic snippet below. [[Image(7400sim.png,300px)]]