Multi-band intelligent internet access control machine circuit
The utility model discloses a multi-band intelligent internet access control machine circuit which comprises a power supply circuit, a main control circuit, a radio frequency card reading circuit, a Bluetooth communication circuit, a 4G communication circuit and an unlocking control circuit, and the...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
17.01.2023
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Subjects | |
Online Access | Get full text |
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