Specifications

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SIM7600G_SIM7600G-H_Hardware Design _V1.01 43 2019-10-21
communication link with peripheral devices. Its operation voltage is 1.8V, with clock rates up to 50
MHz
Note ： For more details of the AT commands about the SPI, please refer to document [1].
3.13 Network status
The NETLIGHT pin is used to control Network Status LED, its reference circuit is shown in the
following figure.
Figure32: NETLIGHT reference circuit
Note: The value of the resistor named “R” depends on the LED characteristic.
Table 19: NETLIGHT pin status
NETLIGHT pin status Module status
Always On Searching Network; Call Connect(include VOLTE,SRLTE)
200ms ON, 200ms OFF Data Transmit; 4G registered;
800ms ON, 800ms OFF 2G/3G registered network
OFF Power off ;Sleep
Note: NETLIGHT output low level as “OFF”, and high level as “ON”.
3.14 Flight Mode Control
The FLIGHTMODE pin can be used to control MODULE to enter or exit the Flight mode. In
Flight mode, the RF circuit is closed to prevent interference with other equipments and minimize