SimCom SIM800L - Network Status Indication; Operating Status Indication

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SIM800L(MT6261)_Hardware Design_V1.01 45 2016-07-07
Parameter Min Typ Max Unit
Working voltage 2.5 2.8 2.9 V
Working current 16 mA
Note: PWM pin must be kept at low power level when module is in the power on procedure.
4.15. Network Status Indication
Table 29: Pin definition of the NETLIGHT
The NETLIGHT pin can be used to drive a network status indication LED. The status of this pin is listed in
following table:
Table 30: Status of the NETLIGHT pin
Status
SIM800L behavior
Off
SIM800L is not running
64ms On/ 800ms Off
SIM800L not registered the network
64ms On/ 3000ms Off
SIM800L registered to the network
64ms On/ 300ms Off
GPRS communication is established
Reference circuit is recommended in the following figure:
Module
NETLIGHT
VBAT
4.7K
47K
R
Figure 43: Reference circuit of NETLIGHT
4.16. Operating Status Indication
The pin4 is for operating status indication of the module. The pin output is high when module is powered on,
and output is low when module is powered down.
Table 31: Pin definition of the STATUS
Pin name
Pin number
Description
NETLIGHT
64
Network Status Indication
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