Hot swappable features and support for SIM cards add to the ease of setup and use. (without SIM card). Battery: Li Ion (Built in) Capacity: 7100mAh. Support Network Band: 5G NR: FDD: N1 N3 N28 TDD: N41 N78, CA: B1 Plus B3 B1 Plus B1 Plus B3 Plus B3 B39 Plus B41 B39 Plus B39 B40 Plus B40 B41Plus B41, 4G band: TDD LTE: B34 38 39 40 41, FDD LTE: B1 B3 B5 B8, 3G band: B1.
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