Huawei E5577Bs-937 Band Specification. 4G FDD Band 1/2/3/4/5/8/19 & TDD Band 38/39/40/41. Display: 1.45" TFT LCD. Support external antenna. Supporting Windows XP SP3, Windows Vista SP1/SP2, Windows 7, Windows 8, Windows 8.1 (does not support Windows RT) and Mac OS X 10.7, 10.8 and 10.9 with latest upgrades.
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