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Xiaomi tablet 6 processor is Snapdragon 870 processor, is integrated 5G baseband, so you can use 5G network, after inserting a phone card can use wireless cellular network, card slot is a single SIM card, support band 5G:n1\/3\/28a\/41\/77\/78, 4G:LTE FDD:B1\/2\/3\/4\/5\/7\/8\/19 LTE TDD:B34\/38\/39\/40\/41\/42.