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SIM7000E NB-IoT HAT User Manual
1A
AT+CIPCLOSE
AT+CIPSHUT
3.2.
NB-IoT Setting
1)
AT+CSQ //To enquiry the quality of signal. The first parameter of response is signal quality
(Max is 31). The signal stronger, the value bigger.
2)
AT+CREG?
//Check Network registration. If the second parameter of response is 1 or 5, it
means that Network has been registered successfully
3)
AT+CGATT? // Check the state of GPRS attachment
4)
AT+CPSI? // Inquiring UE system information
5)
AT+CGNAPN // Get network APN in CAT-M or NB-IOT
6)
AT+CSTT="T" //Set the Network according to actual situation. Here we use T
7)
AT+CIICR
//Bring up wireless connection with GPRS
8)
AT+CIFSR
//Get the local IP address
9)
AT+CIPSTART="TCP","118.190.93.84",2317
Rev1.0 June 8, 2018
(HEX format) Tell module to send data
Close TCP or UDP connection
Deactivate GPRS PDP Context
//Established TCP/IP connection
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SEND OK
CLOSE OK
SHUT OK
10
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