Expansion kit to install a 4G/5G card for mobile network The Shuttle XPC accessory WWN04 allows compatible Shuttle XPC products to be upgraded with an 4G or 5G function for mobile network. The 4G/5G card will occupy a M.2-2280 slot. WWN04 includes an adapter card with 4 antennas and antenna cables. The required 4G card (in M.2-3042 format) or 5G card (in M.2-3052 format) and an activated Nano SIM card is not included in the scope of delivery.