User's Manual

Table Of Contents
SIM7600G-H User manual
www.simcom.com
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Input low level voltage
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0.8
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3.3UART Interface
MODULE provides a 7-wire UART (universal asynchronous serial transmission) interface as DCE (Data
Communication Equipment). AT commands and data transmission can be performed through UART
interface.
3.3.1 UART Design Guide
The following figures show the reference design.
Figure 13: UART full modem
Figure 14: UART null modem