Protection: IP68/IP69K MIL-STD-810H Waterproof Dustproof Shockproof. Storage Extend: TF card up to 256GB (not included). - SIM Card Type: Nano SIM + Nano SIM+microSD. SIM Card Type: Dual Nano SIM. Wi-Fi: 802.11 a/ac/b/g/n, 2.4G Wi-Fi / 5G Wi-Fi.
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