Waveshare SIM7000E - GPRS Debugging; General GPRS AT Commands

SIM7000E NB-IoT HAT User Manual
6
Rev1.0 June 8, 2018
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Pin \ Solder
Soldered to A side
Soldered to B side
VCCIO
5V
3.3V (Default)
DTR
P26
NC (Default)
PWR
P4 (Control power supply via pin)
3.3V (Default:Power on automatically)
2. GPRS Debugging
2.1. General AT commands
Commands
Description
Return
AT+CGATT?
Check the state of GPRS attachment
+CGATT:1