SIM7020 DAT

quick setup guide

  • Please use a USB-serial adapter like CP2102 or FT232RL, connect 5V, GND, VTXD and VRXD.
  • Must well attached the SIM card and 2.4Ghz antenna.
  • Hold down the side button for 3-5 seconds until LED start to blink,.
  • Now you can send AT commands via serial uart COM port.
  • (USB port is NOT working for debugging, please do not connect to use it.)

Power Supply Mode

  • 500mA @ 3.3V

Test based on our current SIM7020E module

Module Current -
Registeration Mode ~15mA -
Registered Idle Mode ~5mA -
PSM mode 110 ~ 140 0uA  

To enter into PSM mode

  • AT+CFUN=0,0 // minimium function mode
  • AT+CFUN=1,1 // full working mode
  • AT+CPSMS=1 // turn on PSM mode

Quit PSM mode

  • Short pulse Boot pin to leave PSM mode

REF

module versions

module version: - SIM7020E tested working countries: Finland, Sweden

Supported band

  • SIM7020E: B1 B3 B5 B8 B20 B28

  • SIM7020G: all bands, please see our wiki page NBIOT.

  • SIMCOM-AT-dat

other ref

  • NBIOT - https://w.electrodragon.com/w/Category:NBIOT

  • legacy wiki - https://w.electrodragon.com/w/Category:SIM7020

  • SIM7020 git info : https://github.com/Edragon/SIMCOM_SIM7020

board ref

doc

  • https://w2.electrodragon.com/chip-cn/SIMCOM/SIM7020-DAT/SIM7020_Series_AT_Command_Manual_V1.00.pdf
  • https://w2.electrodragon.com/chip-cn/SIMCOM/SIM7020-DAT/SIM7020G_Hardware_Design_V1.00.pdf

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