Mini size: 25 35 3.8mm, support both: 4G networks. 4G Bands : LTE-FDD:B1/B3/B5//B7/B8/B20, LTE-TDD:B34/B38/B39/B40/B41. 4G Bands: LTE-FDD:B1/B3/B5/B7/B8/B20, LTE-TDD:B34/B38/B39/B40/B41. Remote Power-off: The device can be turned off through the APP on the guardian's cell phone.
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